The manner in which this condition of complacent ignorance came to be disturbed is instructive.
In the protest against the scheme of "judging truth by counting noses," Shaftesbury recognized the danger of the standard which seemed to satisfy many deists; and in almost every respect he has more in common with those who afterwards, in Germany, annihilated the pretensions of complacent rationalism than with the rationalists themselves.
He was complacent in the face of the skill of the Ninjas.
It is a complacent assumption of a right to hold one's own opinions.
Many academics appeared complacent about the ongoing bombing of Afghanistan, while others viewed it with cheerful approval.