ASSERTER
asserter, declarer, affirmer, asseverator, avower
(noun) 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”
Source: WordNet® 3.1
Etymology
Noun
asserter (plural asserters)
Alternative form of assertor
Anagrams
• rearsets, reassert, serrates, terrasse
Source: Wiktionary
As*sert"er, n.
Definition: One who asserts; one who avers pr maintains; an assertor.
The inflexible asserter of the rights of the church. Milman.
Source: Webster’s Unabridged Dictionary 1913 Edition