Found 2 items, similar to demonstrably.
English → English (WordNet) Definition: demonstrably demonstrably adv : in an obvious and provable manner; “his documentary sources are demonstrably wrong” [syn: provably, incontrovertibly]
English → English (gcide) Definition: Demonstrably Demonstrably \De*mon"stra*bly\, adv. In a demonstrable manner; incontrovertibly; clearly. [1913 Webster] Cases that demonstrably concerned the public cause. --Clarendon. [1913 Webster]