Godan verb with 'tsu' ending, Intransitive verb
to consist of; to be made up of; to be composed of
このクラスは35名の生徒から成り立っている。This class is made up of thirty-five pupils. to be concluded (e.g. of an agreement); to hold true (e.g. of a theory); to be valid
to be viable (of a business, lifestyle, etc.); to carry on; to keep going
Also written 成立つ【なりたつ】