assertor

One who maintains

An assertor is one who asserts—someone who declares, maintains, or defends a position.

The term appears in legal and philosophical contexts for a person who affirms something to be true: The assertor of a claim bears the burden of proof.

Also spelled asserter, with assertor being the more formal variant.

legal

claimant

One asserting entitlement

complainant · declarant · affirmer · attestor · deponent · warrantor · guarantor · voucher · certifier · appellant

forceful

dominant

Having superior influence

commanding · authoritative · imposing · vigorous · forceful · bold · resolute · unyielding · adamant · determined

confident

self-assured

Trusting in oneself

certain · decisive · assured · self-possessed · conviction · positive · secure · resolute · bold · intrepid

persuasive

eloquent

Fluent and persuasive

influential · charismatic · silver-tongued · cogent · credible · engaging · winning · appealing · coaxing · smooth-talking

dogmatic

opinionated

Firmly attached to beliefs

strong-minded · doctrinaire · didactic · pontificating · preachy · self-righteous · moralistic · lecturing · sermonizing · pedantic

Opposites
epistemic stance

assertordoubter

One who disbelieves

denier · skeptic · questioner · disbeliever · agnostic

communicative action

assertorretractor

Tool exposing surgical field

recanter · withholder · equivocator · hedger · demurrer

Phrases
Family

assert, assertive, assertion, unassertive, asserts, assertiveness, reassert, reassertion, asserter

Familiarity
Top 1,000,000
Profile
Used worldwide · Timeless · Abstract · Rated G