Simple past tense and past participle of prettify.(verb)
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Use "prettified" in a sentence
"Official enemies are demonized, government crimes are ignored or "prettified," and corporate greed is overlooked along with the common good."
"I felt the same way upon visiting Dauchau, which, from what I hear, is the most "prettified" of the concentration camps, and since it was built later, iirc, it wasn't even in its day the kind of death camp that some of the others were."
"The blog posts can also be "prettified" a bit more to provide a more pleasant viewing experience."