The phrase "such such" is often used to emphasize a description or quality, but there are several synonyms that can be used instead. For example, you could use the words "very," "extremely," "exceedingly," or "exceptionally" to convey a similar meaning. Other options include "remarkably," "astonishingly," "incredibly," "unusually," or "significantly." Ultimately, the choice of synonym will depend on the context and tone of the sentence. Using a synonym can help to vary your language and make your writing more interesting and engaging.