One-word substitution (vocabulary): Choose the correct term for “a person of good understanding, knowledge, and reasoning power.” Select the single best word that matches the definition exactly.

Reasoning through options Intellectual — a person devoted to the exercise of the intellect; someone with strong understanding, knowledge, and reasoning. Expert — highly skilled in a specific field; may or may not emphasize reasoning breadth. Literate — able to read/write; does not imply reasoning power. Snob — one who boasts of or is condescending about taste/status; negative connotation, unrelated.

Final Answer Intellectual