There are several synonyms for the phrase "take over from," which means to assume responsibility or control from someone or something. One synonym is "replace," meaning to fill a position or role held by someone else. Another is "succeed," which indicates a continuation or follow-up from a preceding person or process. "Supplant" is another synonym, indicating a displacement or substitution of the previous person or system. "Assume" is also a synonym, representing an acceptance or adoption of a responsibility or role. Finally, "inherit" is another synonym, connoting a transfer of authority or responsibility from a predecessor.