Definition of engagement

The noun engagement has 7 senses? (first 5 from tagged texts)

(a hostile meeting of opposing military forces in the course of a war; "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement")

(a meeting arranged in advance; "she asked how to avoid kissing at the end of a date")

(a mutual promise to marry)

(the act of giving someone a job)

(employment for performers or performing groups that lasts for a limited period of time; "the play had bookings throughout the summer")

(contact by fitting together; "the engagement of the clutch"; "the meshing of gears")

(the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities")