9 letters · 19 points in Scrabble
verb provide with traffic signals
verb communicate silently and non-verbally by signals or signs
verb point out carefully and clearly
originEtymology tree English signal Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō Ancient Greek -ῐ́ζω (-ĭ́zō)bor. Late Latin -izōder. Middle French -iserbor. Middle English -isen English -ize English signalize From signal + -ize.
Etymology from Wiktionary, CC BY-SA 3.0