The Collaborative International Dictionary of English v.0.48:

Pagination \Pag`i*na"tion\ (p[a^]j`[i^]*n[=a]"sh[u^]n), n.
   The act or process of paging a book; also, the characters
   used in numbering the pages; page number. --Lowndes.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pagination
    n 1: the system of numbering pages [syn: pagination, folio,
         page number, paging]