climax
(rhetoric) A rhetorical device in which a series is arranged in ascending order.
(obsolete) An instance of such an ascending series.
(narratology) The culmination of a narrative's rising action, the turning point.
(commonly) A culmination or acme: the last term in an ascending series, ''particularly'':
(imprecise) The final term of a rhetorical climax.
(ecosystem) (ecology) The culmination of ecological development, whereby species are in equilibrium with their environment.
(euphemistic) The culmination of sexual pleasure, an orgasm.
To reach or bring to a climax (in any sense).
To form the climax to; to be the climax of.