9 letters · 18 points in Scrabble
adjective capable of being conceived or imagined or considered
originEtymology tree Proto-West Germanic *þankijan Old English þenċan Middle English thinken English think Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English thinkable From think + -able.
Etymology from Wiktionary, CC BY-SA 3.0