- open to doubt or debate; "If you ever get married, which seems to be extremely problematic"
- arguable: open to argument or debate; "that is a moot question"
- capable of being disproved
- Debate or discussion in parliamentary procedure refers to discussion on the merits of a pending question; that is, whether it should or not be agreed to. ...
- Controversial. Not fully proved, open to debate, sometimes used humorously; Of a person, argumentative; A fitting subject for debate
- (debatably) In a way subject to challenge or worthy of debate
- May be discussed. That which is open for discussion.