(obsolete) To lighten, diminish.

(obsolete, transitive) To state under oath, to plead. / (archaic) To cite or quote an author or his work for or against. / (transitive) To adduce (something) as a reason, excuse, support etc.

Able to be alleged

Asserted but not proved. / Supposed but doubtful.

simple past tense and past participle of allege

A person who alleges, especially one who makes a formal allegation.

(archaic) Allegation.

plural of allegeance

(obsolete) Alleviation, relief.

plural of allegement