The word "she's" is a contraction of "she is" or "she has." There are many synonyms for this word depending on the context of the sentence. For "she is," alternatives could include "she's been," "she's become," or "she's turned into." If referring to possession, "she has" could also be replaced with "she owns," "she possesses," or "she holds." In more informal settings, "she's" may also be substituted with "she's got" or "she's gotten." Ultimately, the choice of synonym for "she's" will depend on the tone and message the speaker or writer wishes to convey.