The Collaborative International Dictionary of English v.0.48:

Legendary \Leg"end*a*ry\ (l[e^]j"[e^]n*d[asl]*r[y^]), a.
   Of or pertaining to a legend or to legends; consisting of
   legends; like a legend; fabulous. "Legendary writers." --Bp.
   Lloyd.
   [1913 Webster]

         Legendary stories of nurses and old women. --Bourne.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Legendary \Leg"end*a*ry\, n. [Cf. OF. legendaire, LL.
   legendarius.]
   1. A book of legends; a tale or narrative.
      [1913 Webster]

            Read the Countess of Pembroke's "Arcadia," a gallant
            legendary full of pleasurable accidents. --James I.
      [1913 Webster]

   2. One who relates legends. --Bp. Lavington.
      [1913 Webster]

WordNet (r) 3.0 (2006):

legendary
    adj 1: so celebrated as to having taken on the nature of a
           legend; "the legendary exploits of the arctic
           trailblazers"
    2: celebrated in fable or legend; "the fabled Paul Bunyan and
       his blue ox"; "legendary exploits of Jesse James" [syn:
       fabled, legendary]