adj. 1. under a moral obligation to someone. Syn. -- beholden(predicate). [ WordNet 1.5 ]
2. under a legal obligation to someone. Syn. -- indebted. [ WordNet 1.5 ]
3. owing gratitude or recognition to another for help or favors etc. Opposite of unobligated. [ Narrower terms: supposed(predicate), required ] Syn. -- indebted. [ WordNet 1.5 ]