DISPUTED

To contend in argument; to argue against something maintained, upheld, or claimed, by another

To make a subject of disputation; to argue pro and con; to discuss

"Some residents disputed the proposal, saying it was based more on emotion than fact."

To oppose by argument or assertion; to controvert; to express dissent or opposition to; to call in question; to deny the truth or validity of

"to dispute assertions or arguments"

Argued; not certain, agreed upon, or accepted.

"The theory, though common, was widely disputed."