penetrative in WordNet English dictionary

1. having or demonstrating ability to recognize or draw fine distinctions
   "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
   acute  discriminating  incisive  keen  knifelike  penetrating  penetrative  piercing  sharp 
   
2. tending to penetrate; having the power of entering or piercing
   "a toxic penetrative spray applied to the surface"; "a cold penetrating wind"; "a penetrating odor"
   penetrative  penetrating