A very nice domain.
It can be good for a website of new technology/product regarding memorization.
Also, it can be very useful for an education/education games portal.
It is pronounceable, short and highly popular single word.
Some related domain sales(Source: namebio.com):
optimize.com 115,000 USD 2010-03-24 PremiumDomains
modernize.com 25,000 USD 2014-05-07 GoDaddy
optimize.com 24,650 USD 2008-02-27 Moniker
apologize.com 19,300 USD 2017-05-16 NameJet
recognize.com 17,000 USD 2017-01-23 NamesCon
publicize.com 10,199 USD 2011-04-14 NameJet
Resell value: low $x,xxx to mid $x,xxx
End user value: low $xx,xxx to mid $xx,xxx
Very rare end user value: high $xx,xxx to $1xx,xxx
Best of luck