9 letters · 14 points in Scrabble
adjective so celebrated as to having taken on the nature of a legend
adjective celebrated in fable or legend
originFrom legend + -ary; from Medieval Latin legendārius. Earlier it was a noun meaning "a collection of legends" (1510s) (Medieval Latin legendārium, Old French legendier), from Latin legenda. In English, both the noun and the adjective first appeared in the 16th century.
Etymology from Wiktionary, CC BY-SA 3.0