probe, prove, probable – Latin probare, “approve, prove, test,” is the source of English probe and prove. From that came Latin probabilis, “provable,” which became English probable. More…
sooth, soothsayer, soothe – Sooth, “true, truth,” or “that which is,” is part of soothsayer; it is related to soothe, which once meant “assent to be true; say yes to,” or “to prove or show a fact to be true.” More…
approve – Its original sense was “prove, demonstrate.” More…
rebut, refute – To rebut a statement is to offer clear evidence or a reasoned argument against it; to refute a statement is to prove it wrong (neither means “contradict” or “deny”). More…