12 letters · 17 points in Scrabble
adjective capable of mentally absorbing ; ,
adjective capable of taking (gas, light, or liquids) into a solution; "an assimilative substance
originFrom the French assimilatif, assimilative, from the Late Latin assimilātīvus; equivalent to assimilate + -ive.
Etymology from Wiktionary, CC BY-SA 3.0