1. in or to the front; in advance of; before: Walk ahead of us.
2. in a forward direction; onward; forward: The line of cars moved ahead slowly.
3. into or for the future: Plan ahead.
4. so as to register a later time: to set the clock ahead.
5. at or to a different time, either earlier or later: to push a deadline ahead one day from Tuesday to Monday; to push a deadline ahead one day from Tuesday to Wednesday.
A forward/upward bound perspective to consider.