Entry 1 sense Webster, 1913 Catechumenate · Cat·e·chu·men·ate · IPA /ˌkætɪˈkjuːməneɪt/ 01 n. The state or condition of a catechumen or the time during which one is a catechumen. 1. The state or condition of a catechumen or the time during which one is a catechumen.