operative
I
adjective
acting, active, adequate, advantageous, ample, applicable, at work, beneficial, capable, competent, effective, effectual, efficax, efficient, employed, fruitful, functional, functioning, helpful, in action, in effect, in force, in harness, in operation, in play, instrumental, on duty, operational, performing, potent, productive, serviceable, successful, sufficient, useable, useful, valid, workable, working, yielding
II
index
constructive (creative), functional, ministerial, potent, practical, prevailing (having superior force), procedural, valuable, viable
Burton's Legal Thesaurus.
William C. Burton.
2006