Intelligence as revealed by quickness and alertness of mind:
— Nimbleness of wit and imagination.

synonym: mental dexterity.

The gracefulness of a person or animal that is quick and nimble.

synonyms: agility, legerity, lightness, lightsomeness.

Roget 682: activity; briskness, liveliness etc. adj.; animation, life, vivacity, spirit, dash, energy; snap, vim.    nimbleness, agility; smartness, quickness etc. adj.; velocity, etc. 274; alacrity, promptitude; despatch, dispatch; expedition; haste etc. 684; punctuality etc. (early) 132.    eagerness, zeal, ardor, perfervidum aingenium [Lat.], empressement [Fr.], earnestness, intentness; abandon; vigor etc. (physical energy) 171; devotion etc. (resolution) 604; exertion etc. 686.    industry, assiduity; assiduousness etc. adj.; sedulity; laboriousness; drudgery etc. (labor) 686; painstaking, diligence; perseverance etc. 604.1; indefatigation^†; habits of business.    vigilance etc. 459; wakefulness; sleeplessness, restlessness; insomnia; pervigilium^†, insomnium^†; racketing.    movement, bustle, stir, fuss, ado, bother, pottering, fidget, fidgetiness; flurry etc. (haste) 684.    officiousness; dabbling, meddling; interference, interposition, intermeddling; tampering with, intrigue.    press of business, no sinecure, plenty to do, many irons in the fire, great doings, busy hum of men, battle of life, thick of the action.    housewife, busy bee; new brooms; sharp fellow, sharp blade; devotee, enthusiast, zealot, meddler, intermeddler, intriguer, busybody, pickthank^†; hummer, hustler, live man [U.S.], rustler [U.S.].    ... show more

Dutch: behendigheid, wendbaarheid, soepelheid, souples, lenigheid
Polish: gibkość, zwinność