al·le·ga·tion 
(ăl′ĭ-gāshən)
(ăl′ĭ-gāshən)n.
1. An assertion that someone has done something wrong, often without proof: Allegations of excessive drinking tarnished the CEO's reputation.
2. Law An assertion that someone has engaged in an unlawful act.
[French allégation, from Latin allēgātiō, allēgātiōn-, from allēgātus, past participle of allēgāre, to dispatch, adduce : ad-, ad- + lēgāre, to depute; see LEGATE.]