Synonym of horse's mouth

rootstock wellspring agent ancestor ancestry antecedent author base beginning causality causation connection creator derivation determinant egg element embryo fount fountain fountainhead generator germ impulse inception inducement influence inspiration mainspring mother motive nucleus occasion parent parentage principle producer progenitor provenance root roots seed source spring stock well provenience origin cause basis origination genesis foundation originator preface begetter maker executor instrument doer catalyst perpetuator perpetrator mover mine stimulus ground principium predecessor etymology precursor center centre prototype radix genealogy descent etymon development extraction evolution cradle whence it came

oracle master guru expert authority connoisseur professional pundit wizard specialist scholar fundi judge arbiter adviser mentor mastermind source high priest ace maestro virtuoso hotshot buff whiz aficionado pro maven doyen boffin artist crackerjack geek whizz crackajack meister dab hand cognoscente genius adept demon savant phenomenon sage shark veteran dab wonk old hand fiend artiste proficient sharp consultant mavin hand ninja one of the cognoscenti past master old pro alpha geek hot shot fancier devotee enthusiast technician doctor exponent practitioner skilled person graduate rocket scientist resource person key player bible kingpin professor egghead boss queen kingfish mistress brains textbook law king brass governor czar aristocrat executive Bible exec walking encyclopedia top hand top dog go-to person top brass ivory dome big shot city hall go-to guy front office big cheese big wig expert witness power elite champion doyenne grandmaster marvel prodigy star superstar wiz master hand leader celebrity luminary brain intellectual leading light thinker intellect big name heavyweight notable philosopher wunderkind top name mogul critic VIP icon headliner bookworm celeb guide winner pandit scientist teacher obsessive guiding light learned person whiz kid dignitary director academic megastar figure public figure topliner standout personality personage mahatma worthy very important person big star well-known person Solomon researcher face name bigwig mind rockstar maharishi light warhorse brainiac hero vet stager big noise big gun bright spark solon analyst old-timer wise person old stager old guard woman of letters man of letters whizz-kid household name something to write home about something else major leaguer something to shout about trooper bellwether beast insider nerd ham brainbox old master top player conductor force grand master cordon bleu controller counsellor sourdough gun powerhouse aesthete dilettante talent forecaster idol somebody famous person to be reckoned with captain of industry panjandrum nabob appreciator ruler determiner real pro counsel advisor aficionada esthete leading exponent inventor wonder influencer whizz kid up-and-comer big deal magician champ dillettante natural performer prima donna whiz-bang technologist consigliere counselor longtimer old warhorse lord dictator gifted person number cruncher cognoscenti auger cereb commentator specialist in authority on expert judge self-appointed expert highbrow no slouch hot stuff bravura player expert judge of freelancer shining light experienced person old school old soldier polymath learned one bluestocking technophile person experienced in something arbiter of taste member of a policy unit member of a think tank techie change agent swot grind don engineer developer technoid elite choice spirit master spirit one in a million bookman wise man/woman great big kahuna official person of influence top cat character giant lion acca rabbi legend celebutante litterateur illuminati disciple Nestor learner magnate ikon somebody inspiration statesman bookish person elder honcho supremo notability tycoon notoriety biggie Solon tohunga maharashi pointy-head person of letters wise man heavy hitter famous name famous person person of note important person important personage cause celebre big fish V.I.P. big wheel wise woman learned man learned woman old soul man of learning wise old man

source origin derivation root birthplace cause fount author beginning provenance rise begetter etymology father genesis history originator pedigree start architect cradle creator initiator inventor provenience seedbed commencement radix antecedent authorship basis dawn dawning determinant foundation home inception mother onset opening origination parent paternity place of origin specialist maternity rising starting point upwelling starting place birth spring creation launch emergence roots outset inauguration mainspring germ fountainhead conception font beginnings causality seat causation head initiation nucleus well agent nativity outbreak entrance progenitor entry ingress opener embarkation occasion inspiration inducement alpha introduction forging principle egg embryo connection generator motive early stages well head early stage blast off square one day one git go fons et origo wellspring fountain kickoff seed incipience incipiency nascence nascency baseline threshold morning get-go git-go base infancy arrival appearance kick-off development institution reason formation point of departure heart debut advent rudiment kernel motivation coming mine spark core essence wellhead takeoff induction installation first appearance preface prelude presentation blastoff top leadoff bedrock headwater background ancestry nub origins potential etymon materialization concept conceit headstream supply surfacing occurrence seeds headspring headwaters bottom founding fundamental potential for outstart carrier stem instigation eye generation repository starting word go materialisation commencing stimulus reasons bud prime attribution make constitution verge establishment brink first edge sprig sprout substratum naissance onfall onrush early days invention descent genealogy launching builder maker leader administrator setting up well spring breeding place formulation ultimate cause happening evolution extraction germination rock bottom principium grassroots ground accession predecessor springing up graduation convocation proem startup countdown celebration curtain-raiser admission bow matrix taking place centre whence it came advance incoming front precursor tee off incentive forefront nearing approach impetus unfolding fore prototype looming impulse purpose oncome reservoir visitation center backbone coming on stockpile reserve incitation incitement stimulation rationale basics theory arising essential medium vehicle organization end stimulator cache surplus stream key organisation authority infrastructure principal proceeding vanguard natural spring hoard store allocation storehouse motivating force first place foremost position leading position cutting edge chief reason chief motive driving force impelling cause prime mover motive force nitty-gritty important part chief constituent primary element key component bank treasury inventory fund accumulation amount emerging emanation homeland motherland fatherland hometown Godzone whenua native land mother country one's country place of birth native home country of origin

horses' mouths horse soldier horse soldiers horse sports horse-stinger horse-stingers horse sleigh horse shows horse show horse's hoof horseshoes horseshoers