banalize

[buh-nal-ahyz, -nah-lahyz, beyn-l-ahyz]

verb (used with object), ba·nal·ized, ba·nal·iz·ing.

to render or make banal; trivialize: Television has often been accused of banalizing even the most serious subjects.

Also especially British, ba·nal·ise.

Origin of banalize

First recorded in 1960–65; banal + -ize