Source : Webster's Revised Unabridged Dictionary (1913)

Amusive \A*mu"sive\ (?; 277), a.
   Having power to amuse or entertain the mind; fitted to excite
   mirth. [R.] -- {A*mu"sive*ly}, adv. -- {A*mu"sive*ness}, n.

Source : WordNet®

amusive
     adj : providing enjoyment; pleasantly entertaining; "an amusing
           speaker"; "a diverting story"; "a fun thing to do"
           [syn: {amusing}, {diverting}, {fun(a)}]