? Worthy, excellent.

attributive. Modifying an agent noun or equivalent.

Of persons: Standing out above others or excelling in some respect. Obsolete.

Above the ordinary in amount, extent, worth, or value; especially good or great; special… Of persons. (Cf. A. 9b) Obsolete.

Of a person: highest or greatest in character or achievement; designating a person who is the greatest or most accomplished of his or her class.

attributive or as adj. Of or relating to a superstar; that is a superstar.