lockstep

lock·step  (lkstp)

n.

1. A way of marching in which the marchers follow each other as closely as possible.

2. A standardized procedure that is closely, often mindlessly followed.

Thesaurus

Noun	1.	lockstep - a standard procedure that is followed mindlessly; "the union's support had been in lockstep for years" standard operating procedure, standard procedure, standing operating procedure, SOP - a prescribed procedure to be followed routinely; "rote memorization has been the educator's standard operating procedure for centuries"
	2.	lockstep - a manner of marching in file in which each person's leg moves with and behind the corresponding leg of the person ahead; "the prisoner's ankles were so chained together that they could only march in lockstep" marching, march - the act of marching; walking with regular steps (especially in a procession of some kind); "it was a long march"; "we heard the sound of marching"