Scrabble?! OBLIGATION

Definitions of OBLIGATION in various dictionaries:

noun - the social force that binds you to the courses of action demanded by that force

noun - the state of being obligated to do or pay something

noun - a personal relation in which one is indebted for a service or favor

noun - a written promise to repay a debt

noun - a legal agreement specifying a payment or action and the penalty for failure to comply

The act of binding oneself by a social, legal, or moral tie.

A social, legal, or moral requirement, such as a duty, contract, or promise that compels one to follow or avoid a particular course of action.

A course of action imposed by society, law, or conscience by which one is bound or restricted.

The constraining power of a promise, contract, law, or sense of duty.

Law.

A legal agreement stipulating a specified payment or action, especially if the agreement also specifies a penalty for failure to comply.

The document containing the terms of such an agreement.

Something owed as payment or in return for a special service or favor.

The service or favor for which one is indebted to another.

These nouns refer to a course of action that is demanded of a person, as by law or conscience.