/ ˈsævi; NAmE / noun , adjective
■ noun
[ U ] ( informal ) practical knowledge or understanding of sth :
political savvy
■ adjective
( sav·vier , sav·vi·est ) ( informal , especially NAmE ) having practical knowledge and understanding of sth; having common sense :
savvy shoppers
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WORD ORIGIN
late 18th cent.: originally black and pidgin English imitating Spanish sabe usted you know.