jubilee >> ˈdʒuːbɪliː
Definition: [noun] a special anniversary of an event, especially one celebrating twenty-five or fifty years of a reign or activity.
Example: to celebrate its jubilee, the club is holding a tournament
Definition: [noun] a year of emancipation and restoration, kept every fifty years.
Definition: [noun] a period of remission from the penal consequences of sin, granted by the Roman Catholic Church under certain conditions for a year, usually at intervals of twenty-five years.