Synonyms:
fleeceable, green, gullible
Meaning: naive and easily deceived or tricked; "at that early age she had been gullible and in love"
Usage examples
It was early yet; we had just breakfasted; and leaving word that we'd be back before night, we got away quietly, not wishing to be thought too gullible if we failed, and secretly hoping to have some nice little discovery all to ourselves.