This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The quality of being shrewd.

n. An aggregation of apes. See Synonyms at flock1.

n. The quality of being shrewd.

n. An invented collective name for a group of apes.

n. The state or quality of being shrewd.

n. Sagaciousness; astuteness; sharpness: as, a man of great shrewdness and penetration.

n. A company or group (of apes).

n. Synonyms see shrewd.

n. intelligence manifested by being astute (as in business dealings)

"The accumulation of fortunes through foresight, unusual capacity, energy, thrift, and native honorable shrewdness is in itself no crime."

intelligence   

craftiness    craft    insightfulness    wiliness    cunning    slyness    guile    street smarts    knowingness    acumen   

rudeness   

tact    cleverness    prudence    perseverance    acumen    quickness    promptitude    boldness    discernment    vivacity