Home › Words › P › probativenessprobativenessprobativeness means the condition of being probative; tending to prove something.Among words judged in Lexicurio's Arena, probativeness ranks #34,831 of 42,749 for Qualifying.EtymologyFrom probative + -ness.nounThe condition of being probative; tending to prove something.Definitions & examples from Wiktionary (CC BY-SA 3.0).