American Heritage Dictionary
(3)
Century Dictionary
(3)
GNU Webster's 1913
WordNet
(3)
Elsewhere on the web
The true and fundamental appeal of the paleo approach is that we are attempting to operate pre-neolithic, i.e., in a manner our bodies and minds evolved to optimize, which is the role of natural selection.— Free the Animal
And social bookmarks but this too did not help, friend advised me to re-optimize it,— Webmaster-Talk.com
Where the other dedupe schemes look at files as sets of bits, Ocarina's Online Storage Optimization Solution takes another approach, recognizing common file types and uses different techniques to space-optimize each.— InformationWeek - All Stories And Blogs
They will gladly help me "optimize" for $75 dollars an hour to stave off the need for some hundred dollar a month server.— Wonderland or Not
You need to optimize the tags, footer, on-page copy for that magic combination of product / service + location, and you need to register your business with the various local business centers and IYPs.— Search Engine Roundtable

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about twice a week.