"debatable opinion" is correct and usable in written English
You can use it when presenting a viewpoint on a subject that is open for discussion and argument. For example: "His opinion on the economic benefits of decreased government regulation is a debatable opinion, as many economists do not agree with him."
Residents say that the council's arguments are insufficient and debatable, and that the opinion of the estate as a whole has not been asked.
Now all these are debatable questions, on which opinions vary wildly across the left-of-centre spectrum within Labour and within the Lib Dems, as much as between the two parties.
Since Aristotelian and scholastic "science" sought an absolute certitude that is unobtainable through natural reason and can be attained only by religious faith, rhetorical argumentation in the fashion of ancient orators like Cicero can enable scholars to form opinions on debatable questions and to demonstrate convincingly which of several possible solutions to a debatable issue was probably true.
Because it requires that one express and support a clear, consistent opinion on a debatable issue, persuasive writing is an excellent medium by which to gauge a student's ability to use language proficiently, apply logical thinking and demonstrate organizational ability.
Theoretically, psychiatrists should act as role models for such campaigns [ 3]; however, the recognition of them as opinion leaders is debatable, data in the current literature showing that it is still unclear whether psychiatrists stigmatize their patients or not [ 4].
It is, therefore, difficult to estimate valid measures of either concept: How much access is desirable remains debatable, and large variation in opinion exists on appropriate levels of utilization for population groups.
People are looking for a funny story or your opinion on a debatable subject.
Are the facts presented actually facts or disguised opinions, value judgments, debatable explanatory theories, unprovable metaphysical hypotheses, prejudice, bigotry, intolerance, or fear-mongering dressed up as "facts"?
But legos are for kids, and acid house is meek in comparson to the full-on, face-crushing rhythm of drum 'n bass (that's a personal opinion and a highly debatable one at that).
