active
intelligent
acute
adroit
agile
alacritous
alert
alive
apt
attentive
awake
brainy
breakneck
bright
brilliant
brisk
catty
clever
coruscating
dashing
deft
dexterous
dispatchful
double-quick
eagle-winged
energetic
expeditious
express
fast
featly
fleet
flying
galloping
gifted
graceful
hair-trigger
handy
hasty
headlong
hustling
keen
keen-witted
light
light of heel
light-footed
lightsome
limber
athletic
audacious
ingenious
inventive
lithe
lively
resourceful
shrewd
sprightly
vivacious
wiry
Trimble
cymbal
symbol
thimble