Roget's Thesaurus: Entry 153 (Constant antecedent)

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#153. [Constant antecedent]. Cause.-- N. cause, origin, source, principle, element; occasioner[obs], prime mover, primum mobile[Lat]; vera causa[Lat]; author &c. (producer) 164; mainspring; agent; leaven; groundwork, foundation &c. (support) 215.

spring, fountain, well, font; fountainhead, spring head, wellhead; fons et origo[Lat], genesis; descent &c. (paternity) 166; remote cause; influence.

pivot, hinge, turning point, lever, crux, fulcrum; key; proximate cause, causa causans[Lat]; straw that breaks the camel's back.

ground; reason, reason why; why and wherefore, rationale, occasion, derivation; final cause &c. (intention) 620; les dessous des cartes[Fr]; undercurrents.

rudiment. egg, germ, embryo, bud, root, radix radical, etymon, nucleus, seed, stem, stock, stirps, trunk, tap-root, gemmule[obs], radicle, semen, sperm.

nest, cradle, nursery, womb, nidus, birthplace, hotbed.

causality, causation; origination; production &c. 161.

V. be the cause &c. n of; originate; give origin to, give rise, to, give occasion to; cause, occasion, sow the seeds of, kindle, suscitate[obs]; bring on, bring to bring pass, bring about; produce; create &c. 161; set up, set afloat, set on foot; found, broach, institute, lay the foundation of; lie at the root of.

procure, induce, draw down, open the door to, superinduce, evoke, entail, operate; elicit, provoke.

conduce to &c. (tend to) 176; contribute; have a hand in the pie, have a finger in the pie; determine, decide, turn the scale; have a common origin; derive its origin &c. (effect) 154.

Adj. caused &c. v; causal, original; primary, primitive, primordial; aboriginal; protogenal[obs]; radical; embryonic, embryotic[obs]; in embryo, in ovo[Lat]; seminal, germinal; at the bottom of; connate, having a common origin.

Adv. because &c. 155; behind the scenes.

Phr. causa latet vis est notissima [Lat][Ovid]; felix qui potuit rerum cognoscere causas [Lat][Vergil].