gullible
1. [ adjective ] naive and easily deceived or tricked
Synonyms: green fleeceable
Examples:

"at that early age she had been gullible and in love"

Related terms: naive
2. [ adjective ] easily tricked because of being too trusting
Examples:

"gullible tourists taken in by the shell game"

Related terms: unwary
Similar spelling:   Guilfoyle
  Guilbeault
  gullibility