Engage in and Sit-in

Sit-in and engage in are semantically related. In some cases you can replace phrase "Sit-in" with "Engage in", this terms are similar.

Sit-in noun - A form of civil disobedience in which demonstrators occupy seats and refuse to move.

Engage in and sit-in are semantically related. Sometimes you can use "Engage in" instead a verb phrase "Sit-in".