Nouns

(n)procedure, processa particular course of action intended to achieve a result“the procedure of obtaining a driver's license”, “it was a process of trial and error”
(n)operation, procedurea process or series of acts especially of a practical or mechanical nature involved in a particular form of work“the operations in building a house”, “certain machine tool operations”
(n)routine, subroutine, subprogram, procedure, functiona set sequence of steps, part of larger computer program
(n)procedurea mode of conducting legal and parliamentary proceedings