Optimisation
Part of speech: noun
Definition: The design and operation of a system or process to make it as good as possible in some defined sense.
Optimization
Part of speech: noun
Definition: the design and operation of a system or process to make it as good as possible in some defined sense
Example sentence: I've never been paid by or colluded with any Russian to hack the D.N.C., to create search-engine optimization tools to cause Trump's positives up and Hillary's negatives up. I've never been to Prague.