Superannuation

[Sarah]

The state of being superannuated, or too old for office orbusiness; the state of being disqualified by old age; decrepitude.The world itself is in a state of superannuation. Cowper.Slyness blinking through the watery eye of superannuation. Coleridge.

[exinilu]

money that people pay while they are working, so that they will receive payment when they stop working when they are old, or the payment they receive when they stop working

[Hina Muqadas]

Regular payment made into a fund by an employee toward a future pension.