consummation

1 the last part of a process or action the signing of the contract marked the consummation of six months of negotiations Synonyms capper, close, closing, conclusion, finale, end, endgame, ending, finis, finish, grand finale, home stretch, mop-up, windup, wrap-upRelated Words acme, apex, capstone, climax, copestone, coup de grâce (or coup de grace), crescendo, crown, culmination, high-water mark, meridian, peak, pinnacle, summit, tip-top, top, zenith; aftermath, anticlimax, coda, epilogue (also epilog), postscript; shank, tag end, tail endNear Antonyms foreword, introduction, overture, preamble, preface, prelude, prologue (also prolog)Antonyms baseline, beginning, dawn, day one, nascence, nascency, opening, start

2 the state of being actual or complete the opening of the performing arts center brought to consummation years of planning Synonyms accomplishment, achievement, actuality, actualization, attainment, fruition, fulfillment (or fulfilment), pass, realizationRelated Words success, triumphNear Antonyms defeat, failure, fizzle, nonsuccessAntonyms naught (also nought), nonfulfillment