They're husband and wife, so they can engage in any consensual sexual activity they want to.

If the flight attendants either collectively or individually engage in some activity, it's going to be much more difficult to operate the airline.

Engage yourself in all that is auspicious.

This is a North Korean state policy to engage in the manufacturing and distribution of counterfeit U.S. notes.

We're still waiting for the House to engage.

Too often, people in federal agencies tend to be somewhat insular and underestimate the need to engage with the stakeholders.