To get ready for a confrontation (debate, argument, fight).
To increase the boxiness of (a design).
To address (an issue).
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.
To occupy; to consume (space or time).
Synonym of take in (“tighten a belaying rope”)
To resume.
To pick up.
To shorten by hemming.