Open English Wordnet
Adjectives
(s)judicious, wise, headymarked by the exercise of good judgment or common sense in practical matters“judicious use of one's money”,
“a wise decision” (s)foolhardy, heady, rash, recklessmarked by defiant disregard for danger or consequences“foolhardy enough to try to seize the gun from the hijacker”,
“became the fiercest and most reckless of partisans” (Macaulay),
“a reckless driver”,
“a rash attempt to climb Mount Everest”