jubile
Jubile, sometimes spelled jubile, is a term used to denote a significant anniversary or a festive year. In many languages this spelling variation appears as an alternative to jubilee, and in modern usage jubile often labels celebrations marking milestone anniversaries of organizations, communities, or reigns.
Origins and meaning: The word traces back to Latin iubilum, via Hebrew yovel, associated with joyous festivity
Modern usage: In secular contexts, jubile is used to celebrate or announce anniversaries at various milestones.
See also: Jubilee, Leviticus 25, Silver Jubilee, Golden Jubilee, Diamond Jubilee.