(to come or go into; "the boat entered an area of shallow marshes")
(become a participant; be involved in; "enter a race"; "enter an agreement"; "enter a drug treatment program"; "enter negotiations")
(register formally as a participant or member; "The party recruited many new members")
(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?")
(make a record of; set down in permanent form)
(come on stage)
(take on duties or office; "accede to the throne")
(put or introduce into something; "insert a picture into the text")
(set out on (an enterprise or subject of study); "she embarked upon a new career")