13 letters · 16 points in Scrabble
noun the act of determining the properties of something, usually by research or calculation
noun the quality of being determined to do or achieve something; firmness of purpose
noun a position or opinion or judgment reached after consideration
originFrom Middle English determinacion, determynacioun, from Old French determinacion, from Latin dēterminātiō. Morphologically determine + -ation.
Etymology from Wiktionary, CC BY-SA 3.0