After a high-profile couple announced their separation ...
Lookups on Merriam-Webster.com spiked on May 10, 2011.
Arnold Schwarzenegger and Maria Shriver announced that they were "amicably separating" after 25 years of marriage.
Amicable means "showing a polite and friendly desire to avoid disagreement and argument."
The word traces back to the Latin amicus, meaning "friend."