Verbs for Veracity

insure of—; maintain—; profess—; question—; reassert—; rebut—; refute—; regard—; repudiate—; swear to—; trust—; affirm—; assure of—; authenticate—; confirm—; contravene—; demand—; discipline to—; dispute—; doubt—; gainsay—; impugn —; vow to—.