tolerator/ˈtɒləˌɹeɪtə(ɹ)/tolerator means one who tolerates. Lexicurio rates it Sui generis — a strength score of 87 out of 100.tolerator is pronounced /ˈtɒləˌɹeɪtə(ɹ)/.EtymologyFrom tolerate + -or.nounOne who tolerates.