9 letters · 11 points in Scrabble
noun the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
noun the act of being present (at a meeting or event etc.)
verb be present at (meetings, church services, university), etc.
originEtymology tree English attend English -ing English attending From attend + -ing.
Etymology from Wiktionary, CC BY-SA 3.0