Superannuation
/ˈs(j)ʉːpəˌɹænjʉːˈæɪʃn̩/
noun
A retirement benefit fund, an accumulation of regular deductions from one′s wage or salary while employed and similar regular contributions from the employer, usually administered by an independent entity; a pension.
The condition or of being superannuated; old age or obsolescence.
Synonyms: retirement, pension, super