incisiveness

in·ci·sive  (n-ssv)

adj.

Penetrating, clear, and sharp, as in operation or expression: an incisive mind; incisive comments.

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in·cisive·ly adv.

in·cisive·ness n.

Synonyms: incisive, trenchant, biting, cutting, crisp
These adjectives refer to keenness and forcefulness of thought, expression, or intellect. Incisive and trenchant suggest penetration to the heart of a subject and clear, sharp, and vigorous expression: an incisive report; trenchant wit.
Biting and cutting often have a sarcastic or sardonic quality capable of wounding or stinging: "Biting remarks revealed her attitude of contempt" (D.H. Lawrence). "He can say the driest, most cutting things in the quietest of tones" (Charlotte Brontë).
Crisp suggests clarity, conciseness, and briskness: a crisp retort.

Thesaurus

Noun

1.

incisiveness - keenness and forcefulness of thought or expression or intellect trenchancy effectiveness, effectivity, effectuality, effectualness - power to be effective; the quality of being able to bring about an effect