| adj. |
| [1] |
bright
,
smart
,
clever
,
discerning
,
perspicacious
,
perceptive
,
percipient
,
understanding
,
rational
,
apt
,
astute
,
quick
,
quick-witted
,
keen
,
sharp
,
alert
,
shrewd
,
canny
,
insightful
,
gifted
,
sensible
,
wise
,
sage
,
sagacious
,
enlightened
,
knowing
,
aware
,
knowledgeable
,
erudite
,
au fait
,
(Colloq) brainy
,
(Mainly US) savvy
|
| [2] |
well-informed
|
| [3] |
healthy
,
levelheaded
,
level-headed
,
sound
|
| [4] |
reasoning
,
thinking
|
|
