attest

evidence; facts, premises, data, praecognita, grounds., indication; criterion (test)., testimony, testification; attestation; deposition (affirmation); examination., admission (assent); authority, warrant, credential, diploma, voucher, certificate, doquet, docket; testamur; record; document; pièce justificative; deed, warranty (security); signature, seal (identification); exhibit., witness, indicator; eyewitness, earwitness; deponent; sponsor; cojuror., oral evidence, documentary evidence, hearsay evidence, external evidence, extrinsic evidence, internal evidence, intrinsic evidence, circumstantial evidence, cumulative evidence, ex parte evidence, presumptive evidence, collateral evidence, constructive evidence; proof (demonstration); evidence in chief., secondary evidence; confirmation, corroboration, support; ratification (assent); authentication; compurgation, wager of law, comprobation., citation, reference.

be evidence; evince, show, betoken, tell of; indicate (denote); imply, involve, argue, bespeak, breathe., have weight, carry weight; tell, speak volumes; speak for itself (manifest)., 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 (assent)., [provide conclusive evidence] make absolute, confirm, prove (demonstrate) [more]., [add further evidence] endorse, 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; collect evidence, bring together evidence, rake up evidence., have a case, make out a case; establish, authenticate, substantiate, verify, make good, quote chapter and verse; bring home to, bring to book.

showing; indicative, indicatory; deducible; grounded on, founded on, based on; corroborative, confirmatory.

by inference; according to, witness, a fortiori; still more, still less; raison de plus; in corroboration of; valeat quantum; under seal, under one's hand and seal.

mean, medium, intermedium, average, balance, mediocrity, generality; median, mode; golden mean (mid-course) [more]; middle; compromise; middle course, middle state; neutrality.

split the difference; take the average; reduce to a mean; strike a balance, pair off.

mean, intermediate; middle; average; neutral; mediocre, middle-class; commonplace (unimportant).

on an average, in the long run; taking one with another, taking all things together, taking it for all in all; communibus annis, in round numbers.