theologiser theo·lo·gi·ser uncommon noun 1. someone who is learned in theology or who speculates about theology (especially Christian theology) Synonymstheologiantheologisttheologizer Related words Word family theologisetheologize Broader terms scholar Narrower terms Church FatherDoctor of the ChurcheschatologistfuturistpresentistpreteristAbelardAmbrose WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.