To enlist oneself (in something) or become a member (of something)
To enter (a name, etc.) in a register, roll or list
To enlist (someone) or make (someone) a member of
To occupy; to consume (space or time).
To accept (a proposal, offer, request, etc.) from.
To implement, to employ, to put into use.
To review the solutions to a test or other assessment with a class.
To begin doing (an activity) on a regular basis.
Synonym of take in (“tighten a belaying rope”)
To resume.
To pick up.
To address (an issue).
To shorten by hemming.