Meaning

noun a position or opinion or judgment reached after consideration

noun an intuitive assumption

noun the temporal end; the concluding time

originFrom Middle English, borrowed from Old French conclusion, from Latin conclūsiō, from the past participle stem of conclūdere (“to conclude”), from con- + claudō, ultimately from Proto-Indo-European *kleh₂u- (“key, hook, nail”). By surface analysis, conclude + -sion.

Etymology from Wiktionary, CC BY-SA 3.0