verb
extend
ik-STEND/ɪkˈstend/
To stretch something's reach beyond its previous limits.
The woman extends the ladder by pulling its upper section upward.

Etymology
The pieces mean “stretch out,” an image that applies both to increasing physical size and to prolonging time. Extending availability similarly stretches the period during which something can be used.
In context
with an 80 minute session instead of a 50-minute session would you like to extend your time
More examples
- Our teacher extended the deadline by two days.
- The new policy extends coverage to seasonal workers.
- We extend a warm welcome to our new neighbors.
Forms
extend · extends · extended · extending
extension noun — An increase in length, duration, or scope.
extendable adjective — Capable of being made longer or larger.
Similar words
- lengthen
- Makes something longer, without necessarily broadening its scope.
- expand
- Increases size or scope, not necessarily length or duration.
- prolong
- Makes something last longer, specifically emphasizing duration.