Meaning of KEEP IN LINE

WordNet Dictionary
	Definition:		[v]  control (others or oneself) or influence skillfully, usually to one's advantage; "She manipulates her boss"; "She is a very controlling mother and doesn't let her children grow up"; "The teacher knew how to keep the class in line"; "she keeps in line"
	Synonyms:		control, manipulate
	See Also:		ingratiate, interact, tease