Source : Webster's Revised Unabridged Dictionary (1913)

Legitimize \Le*git"i*mize\ (l[-e]*j[i^]t"[i^]*m[imac]z), v. t.
   [imp. & p. p. {Legitimized} (-m[imac]zd); p. pr. & vb. n.
   {Legitimizing}.]
   To legitimate.

Source : WordNet®

legitimize
     v : make legal; "Marijuana should be legalized" [syn: {legalize},
          {legalise}, {decriminalize}, {decriminalise}, {legitimise},
          {legitimate}, {legitimatize}, {legitimatise}] [ant: {outlaw},
          {outlaw}, {outlaw}, {outlaw}]