(v. t.) To affirm or aver positively, or with solemnity.

acknowledge affirm allege announce annunciate argue assert assever attest aver avouch avow bear witness certify confess contend declare depone depose disclose enunciate express express the belief give evidence have hold insist issue a manifesto lay down maintain manifesto nuncupate predicate proclaim profess pronounce protest put put it quote recite relate say set down speak speak out speak up stand for stand on state submit swear testify vouch vow warrant witness