Select the most appropriate one-word substitution for the given group of words.

A person who believes everything easily

creduluos

The most appropriate one-word substitution for the given group of words is credulous.

• Credulous means "easily persuaded to believe something, especially something that is false or improbable."
• Creditor means "a person to whom money is owed."
• Reliable means "able to be trusted to do what is expected."
• Plausible means "having a ring of truth; believable."