savvy

savvy (http://definr.com/savvy)

     n : the cognitive condition of someone who understands; "he has
         virtually no understanding of social cause and effect"
         [syn: understanding, apprehension, discernment]
     v : get the meaning of something; "Do you comprehend the meaning
         of this letter?" [syn: get the picture, comprehend, dig,
          grasp, compass, apprehend]