The phrase "made an arrangement" can be used in various contexts such as making a plan, settling an agreement, or organizing a meeting. Some synonyms for this phrase include reaching an understanding, coming to terms, brokering a deal, clinching a contract, hammering out an accord, and finalizing an agreement. Other possible synonyms include sorting out the details, putting together a package, devising a scheme, coordinating a plan, or fixing a date. Depending on the situation, different phrases can be used to convey the same meaning and express the idea of planning or organising something. Choosing the appropriate synonym will result in clearer communication and better understanding.