heady

adjective

1. 1

   marked 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

2. 2

   extremely exciting as if by alcohol or a narcotic

3. 3

   marked by the exercise of good judgment or common sense in practical matters

   judicious use of one's money

   a wise decision