1. (v. t.) To prove to be true or correct; to establish the truth of; to confirm; to substantiate\.

2. (v. t.) To make into a verb; to use as a verb; to verbalize.

3. (v. t.) To confirm or establish the authenticity of by examination or competent evidence; to authenticate; as, to verify a written statement; to verify an account, a pleading, or the like.

4. (v. t.) To maintain; to affirm; to support.

affirm assay attest audit authenticate back back up balance balance the books bear out bolster bring to test buttress certify check check and doublecheck check out check over circumstantiate clench clinch collate confirm corroborate cross-check cut and try demonstrate document double-check essay establish experiment fortify give a try give a tryout guarantee have a go inventory justify overhaul painstakingly match play around with practice upon probate prove put to trial ratify recheck reinforce research road-test run a sample sample scrutinize comparatively settle shake down show strengthen substantiate support sustain take stock taste test triple-check try try it on try out undergird uphold validate vouch for warrant