[1] : The Collaborative International Dictionary of English v.0.48

sanction \sanc"tion\, v. t. imp.  p. p. sanctioned; p. pr. 
   vb. n. sanctioning.
   to give sanction to; to ratify; to confirm; to approve.
   1913 webster

         would have counseled, or even sanctioned, such perilous
         experiments.                             --de quincey.
   1913 webster

   syn: to ratify; confirm; authorize; countenance.
        1913 webster
see also:
sanctioned sanctioning 

[2] : WordNet (r) 2.0

sanctioning
     adj : implying sanction or serving to sanction; "the guardian's
           duties were primarily sanctionative rather than
           administrative" syn: sanctionative
see also:
sanctionative 

Sanctioning >> S Words
Sanctioning, definition of term: Sanctioning
sanctioning_pag1.html