Synonyms and related words :
acid test, affirmation, ascertainment, assay, assurance, attestation, authentication, backing, backing up, bearing out, blank determination, bolstering, brouillon, buttressing, certification, check, checking, circumstantiation, collation, comparative scrutiny, confirmation, corroboration, corroboratory evidence, criterion, cross-check, crucial test, crucible, determination, docimasy, documentation, ensuring, essay, establishment, feeling out, first draft, fortification, kiteflying, ordeal, probation, proof, proving, proving out, ratification, reassurance, reassurement, reinforcement, rough draft, rough sketch, sounding out, standard, strengthening, substantiation, support, supporting evidence, test, test case, touchstone, trial, try, undergirding, validation