The Collaborative International Dictionary of English v.0.48:
Allege \Al*lege"\ ([a^]l*l[e^]j"), v. t. [imp. & p. p. Alleged
(-l[e^]jd"); p. pr. & vb. n. Alleging.] [OE. aleggen to
bring forward as evidence, OF. esligier to buy, prop. to free
from legal difficulties, fr. an assumed LL. exlitigare; L. ex
+ litigare to quarrel, sue (see Litigate). The word was
confused with L. allegare (see Allegation), and lex law.
1. To bring forward with positiveness; to declare; to affirm;
to assert; as, to allege a fact.
2. To cite or quote; as, to allege the authority of a judge.
3. To produce or urge as a reason, plea, or excuse; as, he
refused to lend, alleging a resolution against lending.
Syn: To bring forward; adduce; advance; assign; produce;
declare; affirm; assert; aver; predicate.