Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
prōcrĕātor, ōris, m. [procreo], a begetter, producer, creator (class.): ille procreator mundi deus, author, creator, Cic. Univ. 8, 23: a procreatoribus amari, by one’s parents, id. Fin. 4, 7, 17; 5, 23, 65.