legendary
US /ˈledʒ.der.i/
UK /ˈledʒ.der.i/

1.
of, described in, or based on legends
:
•
King Arthur is a legendary figure.
•
The legendary city of Atlantis is said to be lost beneath the sea.
2.
very famous or well known
:
•
His performance was absolutely legendary.
•
She is a legendary singer in her country.