Cows that wander off are usually docile enough to be captured easily.

WSJ: Ninja Cow Had an Excuse for Udderly Unbovine Behavior

If you've been on flights with Wi-Fi enabled, you may have noticed that the passengers using it seem to be contented, almost docile -- the tension level seems to have been lowered.

CNN: Cell phones on planes? For texting, not gabbing

David was depicted as a docile house-husband, happy to look after Brooklyn and do the housework.

BBC: Posh books battle it out

The powertrain delivers smooth and stunningly quick acceleration on demand, yet remains docile around town so as not to overpower a driver.

FORBES: Rolls-Royce Ghost Review: The Spirit is Willing

It may be humanely directed, but the ultimate price of a statutory backstop to regulation of the newspaper industry is a docile press.

CNN: Why the UK should avoid muzzling its free press

The docile, friendly Mr. Met--the last link to the club's original 1962 expansion days--fits the bill.

FORBES

But critics say the UK is strangely docile, with a coalition that is risk-averse when it comes to Europe.

BBC: Europe��s state of anxiety

The dog is a much more docile creature, the likely consequence of early humans preferentially working with animals they found easier to tame.

BBC: Dog evolved 'on the waste dump'

Perhaps they cheered in a desperate effort to reassure their masters that they, unlike Henson's father, were docile and trustworthy, and harbored no thoughts of rebellion.

NPR: A Radical History of the Underground Railroad

With docile domestic investors and a network of friendly cross-shareholdings, there was little outside pressure to restructure.

ECONOMIST: Japan's electronics giants