corroborate

• POS: Adjective, Verb (usu participle), Verb (transitive)
• HYPHEN: cor=rob=o=rate

CIDE DICTIONARY

corroborate, v. t. [L. corroboratus, p. p. of corroborare to corroborate; cor- + roborare to strengthen, robur strength. See Robust.].

•  To make strong, or to give additional strength to; to strengthen.  [1913 Webster]

  "As any limb well and duly exercised, grows stronger, the nerves of the body are corroborated thereby."  [1913 Webster]
•  To make more certain; to confirm; to establish.  [1913 Webster]

  "The concurrence of all corroborates the same truth."  [1913 Webster]

corroborate, a. 

 Corroborated.  Bacon.  [1913 Webster]

OXFORD DICTIONARY

corroborate, v.tr. confirm or give support to (a statement or belief, or the person holding it), esp. in relation to witnesses in a law court.

Derivative

corroboration n. corroborative adj. corroborator n. corroboratory adj.

Etymology

L corroborare strengthen (as COM-, roborare f. robur -oris strength)

THESAURUS

corroborate

affirm, attest, authenticate, back, back up, bear out, bolster, buttress, certify, circumstantiate, confirm, document, fortify, justify, probate, prove, ratify, reinforce, strengthen, substantiate, support, sustain, undergird, uphold, validate, verify, warrant

ROGET THESAURUS

corroborate

Evidence

VB be evidence, evince, show, betoken, tell of, indicate, imply, involve, argue, bespeak, breathe, have weight, carry weight, tell, speak volumes, speak for itself, rest upon, depend upon, repose on, bear witness, give evidence, testify, depose, witness, vouch for, sign, seal, undersign, set one's hand and seal, sign and seal, deliver as one's act and deed, certify, attest, acknowledge, make absolute, confirm, prove (demonstrate), indorse, countersign, corroborate, support, ratify, bear out, uphold, warrant, adduce, attest, cite, quote, refer to, appeal to, call, call to witness, bring forward, bring into court, allege, plead, produce witnesses, confront witnesses, place into evidence, mark into evidence, collect evidence, bring together evidence, rake up evidence, experiment, have a case, make out a case, establish, authenticate, substantiate, verify, make good, quote chapter and verse, bring home to, bring to book.

Demonstration

VB demonstrate, prove, establish, make good, show, evince, manifest, confirm, corroborate, substantiate, verify, settle the question, reduce to demonstration, set the question at rest, make out, make out a case, prove one's point, have the best of the argument, draw a conclusion, follow, follow of course, follow as a matter of course, follow necessarily, stand to reason, hold good, hold water, convince, persuade (belief).

Assent

VB assent, give assent, yield assent, nod assent, acquiesce, agree, receive, accept, accede, accord, concur, lend oneself to, consent, coincide, reciprocate, go with, be at one with, go along with, chime in with, strike in with, close in with, echo, enter into one's views, agree in opinion, vote, give one's voice for, recognize, subscribe to, conform to, defer to, say yes to, say ditto, amen to, say aye to, acknowledge, own, admit, allow, avow, confess, concede, come round to, abide by, permit, arrive at an understanding, come to an understanding, come to terms, come to an agreement, confirm, affirm, ratify, appprove, indorse, countersign, corroborate, go with the stream, swim with the stream, go with the flow, blow with the wind, be in fashion, join in the chorus, join the crowd, be one of the guys, be part of the group, go with the crowd, don't make waves, be in every mouth.