Synonyms for Procedure:

n.

c-section, angioplasty, appendectomy, colostomy, d and c, cesarean, bypass, caesarean, circumcision, abortion. line, attack, tack, means, basis. move, step, measure. planned. act (noun)
process, operation.
action (noun)
enterprise.
behavior (noun)
comportment, demeanor, tactics, carriage, bearing, manner, air, method, guise, deportment, conduct, countenance, behavior, practice, way.
intention (noun)
will, expectation, policy, calculation, intention, idea, ambition, consideration, goal, agenda, scenario, approach, aim, wish, choice, prospectus, object, strategy, proposal, plan, schedule, forethought, forecast.
line (noun)
line.
method (noun)
program, discipline, mechanism, technique, trajectory, system, process, schema, tactic, course.
procedure (noun)
process, subroutine, operation, subprogram, routine, function.
process, system for accomplishing something (noun)
conduct, plan, style, routine, move, policy, course, agenda, line, operation, fashion, maneuver, method, strategy, step, practice, performance, scheme, measure, program, mode, idea.
venture (noun)
exploit, maneuver, scheme, activity, task, performance, initiative, adventure, endeavor, pursuit, deed, enterprise, project, campaign, affair, undertaking, venture, feat, production.

Other synonyms:

means, fashion. tack, mode. style, basis. step. measure. line. Other relevant words:
measure, subprogram, step, tack, function, attack, operation, basis, mode, routine, move, style, subroutine, line, fashion, means.