Operably is an adjective that refers to something that is capable of being put into operation or working in a functional manner. There are several synonyms that can be used interchangeably with operably, depending on the context: 1. Functionally - Something that is functionally operational is capable of performing its intended task. 2. Usable - Usable refers to something that is available and capable of being used. 3. Effectively - If something is operating effectively, it is performing its function in a way that produces the desired result. 4. Practically - Something that is operably practical is useful and viable for the intended purpose. 5. Productively - If something is operating productively, it is functioning in a way that yields results or output. 6. Efficiently - Efficiency refers to how well something operates in terms of using minimal resources to achieve the desired outcome.