S: (v) enter, participate (become a participant; be involved in) "enter a race"; "enter an agreement"; "enter a drug treatment program"; "enter negotiations"
S: (v) enroll, inscribe, enter, enrol, recruit (register formally as a participant or member) "The party recruited many new members"
S: (v) figure, enter (be or play a part of or in) "Elections figure prominently in every government program"; "How do the elections figure in the current pattern of internal politics?"
W: (n) accession [Related to: accede] (the act of attaining or gaining access to a new office or right or position (especially the throne)) "Elizabeth's accession in 1558"