10 letters · 16 points in Scrabble
adjective worthy of reliance or trust
adjective worthy of being depended on
adjective consistent in performance or behavior
originEtymology tree English depend 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 dependable From depend + -able.
Etymology from Wiktionary, CC BY-SA 3.0