Despite their differences, both sides believed their positions were reconcilable.

reconcilable 是由动词 reconcile（调和、调解）加上形容词后缀 -able 构成的形容词。reconcile 来自拉丁语 reconciliare，由 re-（重新）和 conciliare（使和谐）组成。 -able 后缀表示"能够...的"，所以 reconcilable 意思是"能够被调和的"或"可以达成一致的"。