The phrase "alleged wisdom" is correct and usable in written English.
It can be used when discussing claims or assertions of wisdom that may not be substantiated or are in question.
Example: "Despite his alleged wisdom, many found his advice to be lacking in practical application."
Alternatives: "supposed wisdom" or "purported wisdom".
One big question looking forward is whether Obama will once again turn to the Beltway-insider deficit hawks for alleged wisdom.
Everyone in the world seems to take the alleged wisdom in Arlen's book literally and to suppose that the author possesses a direct line to the Almighty.
Social media has helped to democratise the political discourse, forcing journalists – who would otherwise simply dispense their alleged wisdom from on high – to face scrutiny.
When this turns out — sorry for the spoiler — not to be the case, a new batch of alleged wisdom is offered, this time involving lessons on how humility is better than arrogance, questions are better than answers, and human fallibility is preferable to divine perfection.
When asked why three American soldiers were killed, Trump picked that moment to shrink so as to hide behind the alleged wisdom of the establishment.
Had Clifford been cleared this week, more questions would have been asked about the wisdom and practicality of prosecuting alleged assaults going back decades.
Wisdom hasn't yet touched his unreal, alleged take-charge attitude, and he seems to understand very little except how well outrage plays in the media.
She explained that one of Britain's earliest legal texts, written in about 1290, included a clause based on this bit of folk wisdom: "If, however, the woman should have conceived at the time alleged in the appeal, it abates, for without a woman's consent she could not conceive".
On the occasion of the "mega-blizzard" that was alleged to be heading toward New York on Monday, Governor Andrew Cuomo offered a few lines packed with koan-like wisdom: "The sun will come out again, we just don't know when," he said.
[Her] alleged background . . .
Take the alleged kidnapping.
