capper

closer culmination deathblow finisher

coup de grâce crowning blow deciding moment finishing touch

apex climax completion pinnacle

acme apogee consummation crown finale finish height limit maximum meridian noon payoff peak perfection summit top zenith

all the way blow off critical mass crowning touch ne plus ultra punch line

anticlimax nadir

base beginning bottom introduction start

commencement opening

acme altitude apex apogee cap capstone climax crest crown culmination elevation eminence height meridian payoff peak pinnacle roof summit tiptop topper vertex

high noon high point

base bottom depth lowness nadir start unimportance