Rarefy

[Sarah]

To make rare, thin, porous, or less dense; to expand or enlargewithout adding any new portion of matter to; -- opposed to condense.

[Hina Muqadas]

The recommended course of action one should take to stop being [so basic], boring, [bland], or obvious.
The act of becoming rare or unique. The opposite of staying basic.
The act of [acquiring] characteristics that might make a person interesting, extraordinary, or just simply worth devoting time or attention to.

[Cami]

Make or become less dense or solid.