Home › Words › P › pneumatismpneumatismpneumatism means spiritualism centred on the belief in the pneuma.Among words judged in Lexicurio's Arena, pneumatism ranks #16,733 of 42,749 for Qualifying.EtymologyFrom pneuma + -ism, with -t- like in other pneumat- words (pneumatology, pneumatic, etc) and like in other -tism words (dogmatism, etc).nounSpiritualism centred on the belief in the pneuma.Definitions & examples from Wiktionary (CC BY-SA 3.0).