D defs.my
Entry 1 sense Webster, 1913

Asseverate

· As·sev·er·ate · IPA /əˈsɛvəɹeɪt/
01 v. t. To affirm or aver positively, or with solemnity.
imp. & p. p. Asseverated; p. pr. & vb. n. Asseverating
  1. 1.
    To affirm or aver positively, or with solemnity.
Syn. To affirm; aver; protest; declare. See Affirm.