superficialize

from The Century Dictionary.

• To treat or regard in a superficial, shallow, or slight manner.
• To be superficial or shallow; think, feel, or write superficially.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb rare To attend to, or to treat, superficially, or in a shallow or slighting way.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb transitive To render superficial; to trivialize.