conceivable
adjective uk/kənˈsiː.və.bəl/ us/kənˈsiː.və.bəl/
可想象的;可想到的;可以相信的
possible to imagine or to believe
Books on every conceivable subject lined one wall. 靠墙一排排地摆放着所有能想得到的各学科的书。
It's just conceivable (= possible although difficult to imagine) (that) the hospital made a mistake. 有可能是医院出了错。