penetrate

To enter, pass into, or force a way into.

To enter into and permeate.

To affect deeply, as by being known or by arousing the emotions.

To insert the penis, a finger, or an object into the vagina or anus of (someone).

To insert something into (the vagina or anus).

To enter (an organization, for example), usually surreptitiously, so as to gain influence or information; infiltrate.

To enter and gain a share of (a market).

To grasp the significance of; understand.