A‐ver″ (ȧ‐vẽr″), v. t. [imp. & p. p.Averred (ȧ*vẽrd"); p. pr. & vb. n.Averring.] [F. avérer, LL. adverare, averare; L. ad + versus true. See Verity.] 1. To assert, or prove, the truth of.
2. (Law) To avouch or verify; to offer to verify; to prove or justify. See Averment.
3. To affirm with confidence; to declare in a positive manner, as in confidence of asserting the truth.
It is sufficient that the very fact hath its foundation in truth, as I do seriously aver is the case.
Fielding.
Then all averred I had killed the bird.
Coleridge.
Syn. — To assert; affirm; asseverate. See Affirm.