to secure the services of; employ

to secure for use; reserve

to involve (a person or his or her attention) intensely; engross; occupy

to attract (the affection) of (a person)

to draw (somebody) into conversation

to take part; participate

to promise (to do something)

to begin an action with (an enemy)

to bring (a mechanism) into operation

to undergo or cause to undergo interlocking, as of the components of a driving mechanism, such as a gear train

to locate (a locking device) in its operative position or to advance (a tool) into a workpiece to commence cutting

(of a male writer or artist) morally or politically committed to some ideology