The sentence "Could this be acceptable?" is correct and usable in written English.
You could use it in a situation when you need to ask for permission or approval for something. For example, "I'm thinking of rearranging the furniture in the office, could this be acceptable?".
How could she think this was acceptable?
Or could this procedure be acceptable in certain circumstances (for instance, when faced with a serious crime or a terrorist attack)?
Then maybe, yeah maybe this could be acceptable actually this deception".
"This could be acceptable to the Iranians — if they have good will".
Although this could be acceptable in clinical research studies, it is definitely too time-consuming in clinical practice.
Therefore, in an industrial process to produce 2-butanol, this could be acceptable, since even a rather modest increase in tolerance to butanol would have a significant value, due to the rather high toxicity of 2-butanol.
That's vexing but irrelevant; the story here is under what lights this could ever be acceptable, for British citizens to have their rights circumscribed on the basis of their wealth.
Depending on the details, this proposal could be acceptable to those of us who live in Battery Park City.
Therefore, this method could be acceptable to estimate the LvV from the LvA.
There is no rationale for choosing these thresholds, but this definition could be acceptable if a true gold standard existed.
Although for present environmental conditions this explanation could be acceptable, from the evoecotoxicologic perspective, the poikilothermic metabolism of avian and mammalian embryos may reflect the evolutionary history of multicellular life from Earth's anoxic period through to the terrestrial invasion and the eventual development of homeothermic metabolism.
