The phrase "solution of case" refers to the end result of a particular problem or dilemma that has been resolved. There are several synonyms that can be used to describe this outcome. One possible alternative is "resolution," which emphasizes the act of settling a dispute or conflict. "Settlement" is another term that can be used, focusing on the agreement reached between conflicting parties. Additionally, "answer" can be used to describe the result of a problem-solving process, while "outcome" refers to the final result. Overall, there are many suitable synonyms that can be used to describe the "solution of case," depending on the nature of the problem and the desired tone of the description.