coincidental

His highlighting Trump’s remark may not have been coincidental.

That's called the reverse cat’s eye . . . which may be coincidental, who can say?

It was "totally coincidental" the anniversary happened to fall on the pair's wedding anniversary, Mr Tatham said.

From Jefferson's optimistic point of view, America was already in the midst of a scientific revolution when its political revolution occurred, and he did not believe this to be coincidental.

This is not coincidental; every episode is directed by a woman.