%agendum%

‖n.; pl. Agenda [ L., neut. of the gerundive of agere to act. ] 1. Something to be done; in the pl., a memorandum book; also, a list of items to be considered. See agenda. [ 1913 Webster ]

2. A church service; a ritual or liturgy. [ In this sense, usually Agenda. ] [ 1913 Webster ]