The Collaborative International Dictionary
optimise \op"ti*mise`\ ([o^]p"t[i^]*m[imac]z`) v. t. Same as optimize. [Chiefly Brit.]
Wiktionary
vb. (standard spelling of from=non-Oxford British spelling optimize English)
WordNet
Usage examples of "optimise".
First off they're going to optimise their population by making sure that only children of first-class heredity get born, and later, when they've done that, they're going to start improving the genalysis and - well, I guess the only way you can put it is to say they propose to breed supermen.
The techniques for optimising your population by ensuring only children of good heredity get born have existed for decades - you could even say for centuries, because if all you want to do is select, you can do it by conventional breeding methods.
Meanwhile, thousands of husbands are applying to clinics all over Yatakang for vasectomy operations, explaining that they do not want to father inferior progeny now that the chance of optimising the country's population has been offered to them.
Athens, Greece: in a bold stroke of publicity agents for popular TV idol Hector Yannakis today announced his willingness to help optimise the population himself, provided the shiggies calling on his services were quote reasonably attractive unquote.
He did want to get away because he didn't believe he could optimise human beings.
He was so closely watched that the only way to optimise their chances was to find a quick way to disable him.