The phrase "thinks to" is often used to indicate that someone has the intention or purpose of doing something. There are a number of synonyms that can be used to convey a similar meaning. For example, "plans to" suggests a deliberate course of action, while "intends to" emphasizes a strong sense of purpose. "Aspires to" connotes a more ambitious and lofty goal, while "hopes to" implies a degree of uncertainty or wishful thinking. Other possible synonyms include "aims to," "wants to," "strives to," and "endeavors to." Ultimately, the choice of synonym will depend on the context and intended tone of the sentence.