Penetrative (adjective)

1. Having the ability to penetrate or to enter deeply.
2. Having the ability to enter or pass through something, or to understand or grasp something deeply.

Origin:

From latin penetrativus means having the ability to penetrate or to enter deeply.

Examples:

1. The knife had a penetrative edge.
2. The question had a penetrative insight.
3. The light had a penetrative power.
4. The analysis had a penetrative depth.
5. The X-ray was penetrative and showed the bone fractures.