Noah Webster's New International Dictionary of the English Language

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.