1. (n.) The quality of being agile; the power of moving the limbs quickly and easily; nimbleness; activity; quickness of motion; as, strength and agility of body.

2. (n.) Activity; powerful agency.

acuity acuteness alacrity alertness attention attentiveness brightness briskness dispatch expedition expeditiousness featliness keenness lightness nimbleness promptitude promptness punctuality quickness readiness sharpness sleeplessness smartness speediness spryness swiftness wakefulness