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

shop \shop\, v. i. imp.  p. p. shopped; p. pr.  vb. n.
   shopping.
   to visit shops for the purpose of purchasing goods.
   1913 webster

         he was engaged with his mother and some ladies to go
         shopping.                                --byron.
   1913 webster
see also:
shopped shopping 

[2] : WordNet (r) 2.0

shop
     n 1: a mercantile establishment for the retail sale of goods or
          services; "he bought it at a shop on cape cod" syn: store
     2: small workplace where handcrafts or manufacturing are done
        syn: workshop
     3: a course of instruction in a trade as carpentry or
        electricity; "i built a birdhouse in shop" syn: shop
        class
     v 1: do one's shopping; "she goes shopping every friday"
     2: do one's shopping at; do business with; be a customer or
        client of syn: patronize, patronise, shop at, buy
        at, frequent, sponsor ant: boycott, boycott
     3: shop around; not necessarily buying; "i don't need help, i'm
        just browsing" syn: browse
     4: give away information about somebody; "he told on his
        classmate who had cheated on the exam" syn: denounce, tell
        on, betray, give away, rat, grass, shit, snitch,
         stag
     also: shopping, shopped
see also:
store workshop shop class patronize patronise shop at 
buy at frequent sponsor boycott browse 
denounce tell on betray give away rat 
grass shit snitch stag shopping 
shopped 

[3] : WordNet (r) 2.0

shopping
     n : searching for or buying goods or services; "went shopping
         for a reliable plumber"; "does her shopping at the mall
         rather than down town"

[4] : WordNet (r) 2.0

shopping
     see shop
see also:
shop 

[5] : Moby Thesaurus II by Grady Ward, 1.0

24 moby thesaurus words for "shopping":
   buy, buying, buying power, buying up, catalog buying, coemption,
   consumer power, consumer sovereignty, consumerism, cornering,
   emption, hire purchase, impulse buying, installment buying,
   mail-order buying, marketing, money illusion, purchase, purchasing,
   purchasing power, rebuying, repurchase, shopping spree,
   window-shopping

Shopping >> S Words
Shopping, definition of term: Shopping
shopping_pag1.html

Shopping Mall >> S Words
Shopping Mall, definition of term: Shopping Mall
shopping+mall_pag1.html

Shopping Basket >> S Words
Shopping Basket, definition of term: Shopping Basket
shopping+basket_pag1.html

Shopping Cart >> S Words
Shopping Cart, definition of term: Shopping Cart
shopping+cart_pag1.html