climax

noun

a rhetorical series of ideas, images, etc. arranged progressively so that the most forceful is last
the final, culminating element or event in a series; highest point, as of interest or excitement; specif.,
1. the decisive turning point of the action, as in a drama
2. an orgasm
Ecol. a final, self-perpetuating community of plants and animals that develops in a particular climate, soil, etc.: it will persist as long as the same conditions prevail

intransitive verb, transitive verb

to reach or bring to a climax

See climax in American Heritage Dictionary 4