She is a skilled preener, always making sure her feathers are perfectly groomed.

The preeners gathered at the park to show off their fancy feathers.

She looked at herself preeningly in the mirror.

She preengages in various activities to keep herself busy.

She is preengaging in a new project.

She preengaged in a deep conversation with her friend.

They preengage in negotiations before signing the contract.

I'm sorry, I can't make it to the party tonight. I have a preengagement.

They had many preengagements to attend before the wedding.

Students are required to complete the preenrolment process before they can officially enroll in the course.