[ad. late L. jūstificātor, agent-n. f. jūstificāre to JUSTIFY.] One who justifies.
The L. word occurs in a document of William Rufus (see first quot.), whence it has passed into the law dicts. as an English word.
[11[?]. Writ, in Liber Ramesiæ, § 188. Will. Rex Angl. H. Camerario & Justificatoribus suis, omnibusque suis fidelibus Norff., salutem.]
1670. Blount, Law Dict., Iustificators [in prec. quot.] seem to signifie Compurgators.
1755. Johnson, Justificator, one who supports, defends, vindicates, or justifies.
1799. Mar. Edgeworth, Ess. Self-Justif., in Lett. Lit. Ladies (1805), 225. To one of your class of justificators, this is the highest offence.
1809. Tomlins, Law Dict., Justificators, a kind of compurgators, or those that by oath justified the innocence, or oaths of others.