Cogitable \Cog"i*ta*ble\, a. [L. cogitabilis, fr. cogitare to
   think.]
   Capable of being brought before the mind as a thought or
   idea; conceivable; thinkable.
   
[1913 Webster]


         Creation is cogitable by us only as a putting forth of
         divine power.                            --Sir W.
                                                  Hamilton.
   
[1913 Webster]

cogitable
     adj : possible to ponder; "space flight to other galaxies becomes
           more cogitable" [syn: {ponderable}]

18 Moby Thesaurus words for "cogitable":
   cerebrate, cogitate, collogue, collude, conceive, connive,
   conspire, contrive, deliberate, devise, envisage, envision,
   imagine, intrigue, machinate, reason, reflect, speculate