sav·vy (sāv'ē) adj.
sav·vi·er, sav·vi·est Well informed and perceptive; shrewd: savvy Washington insiders. n. Practical understanding or shrewdness: a banker known for financial savvy. tr. & intr.v.
sav·vied (sāv'ēd), sav·vy·ing, sav·vies (sāv'ēz) To understand; comprehend.
[From Spanish sabe (usted), (you) know, from saber, to know, from Old Spanish, from Vulgar Latin *sapēre, from Latin sapere, to be wise; see sep- in Indo-European roots.] sav'vi·ly adv.