The term "suitable replacement" refers to an item or a person that can effectively take the place of another, either by fulfilling its intended function or role, or by providing similar characteristics and qualities. It is something that meets the requirements and standards set for it, making it a viable option in terms of functionality, performance, or compatibility. In essence, a suitable replacement is an alternative that can effectively substitute another without causing any significant disruption or compromise to the overall process, system, or situation.