The phrase "arguably based" is correct and usable in written English.
It can be used when discussing a claim or opinion that can be supported by reasoning or evidence, suggesting that there is a reasonable argument for it.
Example: "The theory is arguably based on a combination of historical data and modern interpretations."
Alternatives: "potentially grounded" or "possibly founded".
Sodomy laws are arguably based on disgust.
On Tuesday MTV will reintroduce "Real World," the original, modern-day reality program upon which those that have followed with such great success are arguably based.
The impressive success of Tinder is arguably based on its ability to simultaneously cater to our primordial instincts and our postmodern obsession with efficiency.
And this paper suggests that the current rate has no precedent as far back as we can go with any confidence — 11,000 years arguably, based on this study.
Still, that stature was arguably based more on his role as a leading advocate for Modernism and subsequent architectural movements — beginning with the International Style show he helped organize at the Museum of Modern Art in 1932 — than on his own design work.
Indeed, the entire field of behavioral economics is arguably based upon the notion that we're suboptimal and inconsistent decision makers.
There are whole sections of human endeavor, like religion, morals, which arguably are based upon capital T Truth.
Moreover, if the aggregate efforts are considered inadequate in addressing the risks posed by climate change, then this will likely prompt a broader interest in identifying those countries where greater efforts are arguably warranted based on comparison with their peers.
He hopes it will go on sale next year for less than $200.The firm that is making the most tricorder-like gizmo is arguably Scanadu, based in Mountain View, California, which was among the first companies to enter the Tricorder X Prize competition.
Leonardo DiCaprio is finally on the cusp of bagging his first Oscar for The Revenant, an award he arguably deserves based solely on the fact that he had to spend up to five hours every day in makeup having his gross fake wounds applied.
The film's title was arguably a modification based on business concerns.
