The phrase "accumulation of wisdom" is correct and usable in written English.
It can be used when discussing the process of gaining knowledge and experience over time, often implying a deep understanding or insight.
Example: "Through years of experience and reflection, she achieved an impressive accumulation of wisdom that guided her decisions."
Alternatives: "gathering of knowledge" or "collection of insights".
Everything is unprecedented; there is no accumulation of wisdom with which to examine the day.
There's an enormous accumulation of wisdom and experience.
Courageous leaders intuitively know that the accumulation of wisdom gained through experience and acquired from others that have been there before you is what will define your eventual success.
"Ricci's experience teaches us that it is necessary to enter into dialogue with China, because it is an accumulation of wisdom and history".
In an oral culture, cliché and stereotype are valued, as accumulations of wisdom, and analysis is frowned upon, for putting those accumulations at risk.
His description of his own grief seemed real, but it was Hillary's movements and attitude that brought home the underlying emotion — the desire to offer one last bit of help, to make things as nice as possible, to pass on the accumulation of hard-won wisdom (use contact paper on shelves when you move in!).
Contrary to conventional wisdom, an accumulation of the gooey bodies at the bottom of the ocean draws scavengers and is a key part of the food chain.
This might be explained by older people's accumulation of knowledge, experience and maturity —wisdom — percolating on a parallel track while distracted by something else unintentionally.
Own your bad decisions, with no excuses, but wisdom is the accumulation of learning and experience and is required to succeed in business.
That language is not just the physical evidence around us ("Eyes and ears are bad witnesses to those with barbarian souls" B107); the sheer accumulation of information is not the same as wisdom (see the rebuke in 22B40, quoted above).
"Seven Pillars of Wisdom".
