6 letters · 14 points in Scrabble
adverb to an ample degree or in an ample manner
adverb in a rich manner
adverb in a rich and lavish manner
originInherited from Middle English richely, from Old English rīċlīċe, from Proto-West Germanic *rīkīlīkō, from Proto-Germanic *rīkijalīkô; by surface analysis, rich + -ly (adverbial suffix).
Etymology from Wiktionary, CC BY-SA 3.0