The phrase "allegedly reasonable" is correct and usable in written English.
It can be used when discussing something that is claimed to be reasonable but may not be universally accepted as such.
Example: "The proposal was deemed allegedly reasonable by some experts, but others raised significant concerns about its feasibility."
Alternatives: "reportedly reasonable" or "supposedly reasonable".
The new law provides an alternative path for people to buy their own policy, allegedly at reasonable rates.
Unlike the allegations in this case, the defendants in AIG allegedly failed to exercise reasonable oversight over pervasive fraudulent and criminal conduct.
"This incident and the district's response to it has brought a bright light to the lack of clarity around what is allegedly age-appropriate or reasonable to discuss with students.
Considering how many people on vacation traipse in and out of worn-down stone monuments, allegedly out of historical interest, it seems reasonable that Tri Angle is simply celebrating the beauty of decay, which isn't such a new impulse.
Using the same logic, it seems quite reasonable to say Clive Palmer – our own allegedly mega-rich and megalomaniac anti-politician – has taken the entire political system for a ride.
In addition, the district court failed to recognize that other passages from this reference could be construed by a reasonable jury as anticipating and/or rendering obvious the allegedly novel "single action ordering technology" of the '411 patent.
Defendant Mikaelian had ample reasonable opportunity to view the MCAT questions that were allegedly infringed.
Because the current case involves a white officer allegedly being confronted by a black assailant, McCulloch's personal history raises reasonable questions about whether he can be objective.
Finally, the SEC alleged that Nu Skin U.S. failed to maintain reasonable and adequate internal accounting controls that could have detected the allegedly illicit payment disguised as a charitable contribution.
