Accordable is a rare word that essentially means something is able to be agreed upon or settled. There are a number of synonyms that could be used in its place depending on the context. For example, you might use 'negotiable' if you're discussing a price, 'concordant' if you're talking about ideas or opinions, or 'compatible' if referring to two things that work well together. Other options might include 'harmonious,' 'flexible,' 'amenable,' or 'adjustable.' Ultimately, the best synonym for 'accordable' will depend on the specific circumstances and the tone you're looking to convey, but with a bit of thought and creativity, plenty of alternatives can be found.