Parenthesized is a word used to describe a text or expression enclosed within a pair of parentheses. However, there are several synonyms for parenthesized that can be used depending on the context of the sentence. These include bracketed, enclosed, contained, set apart, segregated, isolated, sectioned off, and grouped. These words can come in handy when you want to express the same idea as parenthesized but in a different manner, to provide variation, and add some flavor to your writing. It's essential to keep synonyms in mind when drafting your text, as they can add some depth and sophistication to your writing style.