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Obligation

/ˌɒbləˈɡeɪʃən/

A duty or commitment to do something, often because of a law, promise, or moral principle.

Synonyms:

I am unable to fulfill my obligations to the One State...Your sense of moral obligation?There is no obligation on either side.

Originates from Old French obligacion (13th century) and directly from Latin obligationem, meaning an engaging or pledging.

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