One-word substitution (readiness to believe): Select the adjective that means being too quick to believe things, especially without sufficient evidence. Context: Do not confuse with words meaning believable, praiseworthy, or unbelievable. Instruction: Choose the best single-word substitute.

Given data

• Target: ‘‘Ready to believe’’ — often implying gullibility.
• We must avoid near-homophones with different meanings.

Concept / Approach
Credulous = ready to believe, especially on slight evidence. Credible = believable; creditable = praiseworthy; incredible = unbelievable.

Elimination
Credulous — overly ready to believe; correct. ✅Credible — capable of being believed (about statements), not a person’s gullibility. ❌Creditable — deserving praise/credit. ❌Incredible — not believable; opposite sense. ❌

Example
‘‘A credulous audience fell for the magician’s claims.’’

Final Answer
Credulous