Source : Webster's Revised Unabridged Dictionary (1913)

Sanction \Sanc"tion\, v. t. [imp. & p. p. {Sanctioned}; p. pr. &
   vb. n. {Sanctioning}.]
   To give sanction to; to ratify; to confirm; to approve.

         Would have counseled, or even sanctioned, such perilous
         experiments.                             --De Quincey.

   Syn: To ratify; confirm; authorize; countenance.

Source : WordNet®

sanctioned
     adj 1: conforming to orthodox or recognized rules; "the drinking of
            cocktails was as canonical a rite as the mixing"-
            Sinclair Lewis [syn: {canonic}, {canonical}]
     2: formally approved and invested with legal authority [syn: {ratified}]
     3: established by authority; given authoritative approval; "a
        list of approved candidates" [syn: {approved}]