Source : Webster's Revised Unabridged Dictionary (1913)

Socialist \So"cial*ist\, Socialistic \So`cial*is"tic\, a.
   Pertaining to, or of the nature of, socialism.

Source : WordNet®

socialistic
     adj 1: advocating or following the socialist principles;
            "socialistic government" [syn: {socialist}] [ant: {capitalistic}]
     2: of or relating to or promoting or practicing socialism;
        "socialist theory"; "socialist realism"; "asocialist
        party" [syn: {socialist}]