Establish or strengthen as with new evidence or facts.

synonyms: affirm, confirm, corroborate, support, sustain.

Roget 924: be due etc. adj.. to, be the due etc. n.. of; have right to, have title to, have claim to; be entitled to; have a claim upon; belong to etc. (property) 780.    deserve, merit, be worthy of, richly deserve.    demand, claim; call upon for, come upon for, appeal to for; revendicate^†, reclaim; exact; insist on, insist upon; challenge; take one's stand, make a point of, require, lay claim to, assert, assume, arrogate, make good; substantiate; vindicate a claim, vindicate a right; fit for, qualify for; make out a case.    give a right, confer a right; entitle; authorize etc. 760; sanctify, legalize, ordain, prescribe, allot.    give every one his due etc. 922; pay one's dues; have one's due, have one's rights.    use a right, assert, enforce, put in force, lay under contribution.    ... show more

Roget 467: be evidence etc. n.; evince, show, betoken, tell of; indicate etc. (denote) 550; imply, involve, argue, bespeak, breathe.    have weight, carry weight; tell, speak volumes; speak for itself etc. (manifest) 525.    rest upon, depend upon; repose on.    bear witness etc. n.; give evidence etc. n.; 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 etc. (assent) 488.    [provide conclusive evidence] make absolute, confirm, prove (demonstrate) 478.    [add further evidence] 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.    [obtain evidence] collect evidence, bring together evidence, rake up evidence; experiment etc. 463.    have a case, make out a case; establish, authenticate, substantiate, verify, make good, quote chapter and verse; bring home to, bring to book.    ... show more

Roget 478: demonstrate, prove, establish; make good; show, evince, manifest etc. (be evidence of) 467; confirm, corroborate, substantiate, verify etc. 467, 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 etc. (judge) 480.    follow, follow of course, follow as a matter of course, follow necessarily; stand to reason; hold good, hold water.    convince, persuade (belief) 484.    ... show more

Roget 494: be true etc. adj., be the case; sand the test; have the true ring; hold good, hold true, hold water.    render true, prove true etc. adj.; substantiate etc. (evidence) 467.    get at the truth etc. (discover) 480.1. ... show more

Dutch: onderbouwen

Represent in bodily form:
— The painting substantiates the feelings of the artist.

synonyms: body forth, embody, incarnate.

Dutch: belichamen, representeren, verpersoonlijken, vorm geven

Make real or concrete; give reality or substance to:
— Our ideas must be substantiated into actions.

synonyms: actualise, actualize, realise, realize.

Dutch: inzien, zich realiseren, realiseren, beseffen, actualiseren

Solidify, firm, or strengthen.