12 letters · 18 points in Scrabble
adverb in a manner acceptable to common custom
adverb in a lawfully recognized manner
originEtymology tree English legitimate Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English legitimately From legitimate + -ly.
Etymology from Wiktionary, CC BY-SA 3.0