engagement

A mutual promise to marry.

The act of giving someone a job.

Contact by fitting together.

“the engagement of the clutch”

The act of sharing in the activities of a group.

“the teacher tried to increase his students' engagement in class activities”

A hostile meeting of opposing military forces in the course of a war.

“he lost his romantic ideas about war when he got into a real engagement”

Employment for performers or performing groups that lasts for a limited period of time.

A meeting arranged in advance.