climax

capstone turning point

acme apex apogee ascendancy climacteric crest extremity head height highlight intensification limit maximum meridian orgasm payoff pinnacle pitch summit tiptop top utmost zenith

capsheaf crowning point high spot ne plus ultra

base bottom foot nadir

anticlimax cliffhanger

accomplish achieve cap conclude crown end finish fulfill peak succeed terminate top tower

break the record come to a head hit high spot reach a peak reach the zenith rise to crescendo

begin commence fall initiate introduce lose miss start

delve dip drop fall off