1again; once more
2again; once more; re-
3further; beyond this point of time
4(before an adjective) more
5then (after sth, and not until then)
6(literary) to reappear; to reoccur
7no matter how ... (followed by an adjective or verb, and then (usually) 也 or 都 for emphasis)
8(used to introduce additional information, as in 再則|再则, 再就是 etc)