PENETRATIVE
penetrative, penetrating
(adjective) 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”
acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp
(adjective) 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”
Source: WordNet® 3.1
Etymology
Adjective
penetrative (comparative more penetrative, superlative most penetrative)
Of, pertaining to, or involving penetration.
Having the ability to penetrate.
(figurative) Displaying insight or discrimination; acute.
Source: Wiktionary
Pen"e*tra*tive, a. Etym: [Cf. F. pénétratif.]
1. Tending to penetrate; of a penetrating quality; piercing; as, the
penetrative sun.
His look became keen and penetrative. Hawthorne.
2. Having the power to affect or impress the mind or heart;
impressive; as, penetrative shame. Shak.
3. Acute; discerning; sagacious; as, penetrative wisdom. "The
penetrative eye." Wordsworth.
Led on by skill of penetrative soul. Grainger.
Source: Webster’s Unabridged Dictionary 1913 Edition