Arguable
Part of speech: adjective
Definition: That which can be argued; i.e., that which can be proven or strongly supported with sound logical deduction, precedent, and evidence. Open to doubt, argument or debate.
Debatable
Part of speech: adjective
Definition: Controversial. Not fully proved, open to debate, sometimes used humorously.Of a person, argumentative.A fitting subject for debate.
Example sentence: Whether the Constitution allows indictment of a sitting president is debatable.