acridity
acumen
acumination
acuteness
adroitness
agility
alertness
apperception
aptitude
aptness
astuteness
attention
attentiveness
braininess
brightness
brilliance
clear thinking
cleverness
cogency
dexterity
discernment
edge
esprit
farseeingness
farsightedness
flair
foresight
foresightedness
genius
giftedness
gifts
incisiveness
insight
keen-wittedness
keenness
longheadedness
longsightedness
mental alertness
mercurial mind
mucronation
native cleverness
nimble mind
nimble-wittedness
nimbleness
nous
penetration
perception
perceptiveness
percipience
perspicaciousness
acuition
acutance
acute
asynchrony
ataxia
cognition
cortex
cue
dead weight
disorientation
elusiveness
exteriorization
gustatory
hallucination
image
impairment
kinesthesis
neuropathy
optical fiber
percept
potentials
prosthesis
salience
sensitivity
stimulation
well-being
xdsl
ambiguity
annuity
congruity
continuity
ingenuity
promiscuity