Definition of "Commitment" :

noun: the official act of consigning a person to confinement (as in a prison or mental hospital)

noun: the act of binding yourself (intellectually or emotionally) to a course of action

"His long commitment to public service."

noun: an engagement by contract involving financial obligation

"His business commitments took him to London."

noun: the trait of sincere and steadfast fixity of purpose

"A man of energy and commitment."

noun: a message that makes a pledge