8 letters · 16 points in Scrabble
adverb in a clever manner
originPerhaps a variant of Cleveley, through an irregular development, or a possibly a habitational surname from a lost or unidentified place in Hampshire, from Old English clǣfre (“clover”) + lēah (“woodland clearing, glade”) and thus equivalent to clover + -ley (“lea”).
Etymology from Wiktionary, CC BY-SA 3.0