The phrase "wean away" refers to gradually moving away from a habit or dependency. There are several synonyms for this term, including "detach" which indicates separating oneself from a person, situation, or object. Another good synonym is "dissociate," which suggests separating something that was once connected. "Divert" is another synonym that implies taking someone or something away from a certain direction. "Separate" indicates removing oneself from a person or object, while "withdraw" suggests stepping back from something to create distance. Ultimately, whichever of these synonyms is used, they all imply the need to separate oneself from something that is no longer healthy or necessary.