Synonyms for demonstrable

Adjective

1. demonstrable, incontrovertible, incontestable (vs. contestable), incontestible

usage: necessarily or demonstrably true; "demonstrable truths"

2. demonstrable, provable, obvious (vs. unobvious)

usage: capable of being demonstrated or proved; "obvious lies"; "a demonstrable lack of concern for the general welfare"; "practical truth provable to all men"- Walter Bagehot