noun
accomplishment
Synonyms: achievement, act, administration, attainment, carrying out, completion, conduct, consummation, discharge, doing, enforcement, execution, exploit, feat, fruition, fulfillment, pursuance, realization, work
Antonyms: failure
noun
acting, depiction
Synonyms: act, appearance, ballet, behavior, burlesque, business, ceremony, concert, custom, dance, display, drama, exhibition, gig, interpretation, matinee, offering, opera, pageant, play, portrayal, presentation, production, recital, rehearsal, representation, review, revue, rigmarole, rite, set, show, special, spectacle, stage show, stunt, to-do
Antonyms: direction
noun
efficiency
Synonyms: action, conduct, effectiveness, efficacy, exercise, functioning, operation, practice, pursuit, running, working
Antonyms: ineffectualness, inefficiency