stay in line (?.)

• attend to orders
• comply
• conform
• defer to
• fall in with
• fall into line
• fit in
• follow the book
• follow the crowd
• follow the fashion
• follow the rule
• get in line
• go through channels
• harken to
• heed
• keep
• keep in step
• listen to
• mark
• mind
• obey
• obey the rules
• observe
• pass muster
• play the game
• submit
• take orders
• toe the line
• toe the mark