1 check, constrain, control, curb, govern, have in one's pocket, keep a tight rein on, keep in check, keep on a string, master, moderate, rein, repress, restrain, subdue
2 be indignant, bristle, draw (oneself) up, get angry, get one's back up, raise one's hackles, rear up
n
3 check, control, curb, rein, restraint, trammels