1. noun /ˈskeɪl/
Please rate your experience on a scale from 1 to 10.
b) Size; scope.
The Holocaust was insanity on an enormous scale.
2. verb /ˈskeɪl/
a) To change the size of something whilst maintaining proportion; especially to change a process in order to produce much larger amounts of the final product.
We should scale that up by a factor of 10.
b) To climb to the top of.
Hilary and Norgay were the first known to have scaled Everest.
Wikipedia foundation.