VERB (2)

1. fall in love with; become infatuated with;
- Example: "She fell for the man from Brazil"

2. be deceived, duped, or entrapped by;
- Example: "He fell for her charms"
- Example: "He fell for the con man's story"

WordNet (r) 3.0 (2006):

fall for
    v 1: fall in love with; become infatuated with; "She fell for
         the man from Brazil"
    2: be deceived, duped, or entrapped by; "He fell for her
       charms"; "He fell for the con man's story"

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "fall for":
   and sinker, be a sucker, be smitten, be taken in,
   become attached to, bite, cotton to, devour, eat up, fall in love,
   go for, gobble up, gulp down, lap up, line, nibble, swallow,
   swallow anything, swallow hook, swallow whole, swing at,
   take the bait, take to, tumble for