deductive power; reasoning ability
Refers to the capacity for logical reasoning and drawing conclusions from given information. Often used in contexts like detective work, puzzles, or academic analysis.
His deductive powers are really sharp.
Solving this problem requires strong reasoning ability.
Compound of 推理 (すいり, 'reasoning, deduction') and 力 (りょく, 'power, ability'). The exact historical derivation is straightforward; the word follows a common pattern of attaching 力 to a noun to indicate capability.