Affirmer

af·firm  (-fûrm)

v. af·firmed, af·firm·ing, af·firms

v.tr.

1. To declare positively or firmly; maintain to be true.

2. To support or uphold the validity of; confirm.

v.intr. Law

To declare solemnly and formally but not under oath.

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[Middle English affermen, from Old French afermer, from Latin affirmre : ad-, ad- + firmre, to strengthen (from firmus, strong; see dher- in Indo-European roots).]

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af·firma·ble adj.

af·firma·bly adv.

af·firmant adj. & n.

af·firmer n.

Thesaurus

Noun

1.

affirmer - someone who claims to speak the truth; "a bold asserter"; "a declarer of his intentions"; "affirmers of traditional doctrine"; "an asseverator of strong convictions"; "an avower of his own great intelligence" asserter, asseverator, avower, declarer communicator - a person who communicates with others postulator - someone who assumes or takes something for granted as the basis of an argument