Noun
(rhetoric) A rhetorical device in which a series is arranged in "proper order", particularly
(rhetoric) A descending order from best, greatest, etc. to worst, lowest, etc.
(rhetoric) A chronological order from first to last.
(rhetoric, obsolete, imprecise) An ascending order from worst, lowest, etc. to best, greatest, etc; a climax.
Source: en.wiktionary.org