14 letters · 18 points in Scrabble
adjective based primarily on surmise rather than adequate evidence
originEtymology tree Latin suppositus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -īcus Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -īcius Latin suppositīciusbor. English supposititious Borrowed from Latin suppositīcius.
Etymology from Wiktionary, CC BY-SA 3.0