The phrase "a decision to dedicate" is correct and usable in written English.
You can use it when discussing a choice or resolution to commit resources, time, or effort to a particular purpose or cause.
Example: "After much deliberation, the board made a decision to dedicate additional funds to the community outreach program."
Alternatives: "a choice to commit" or "a resolution to allocate".
Teenage rejection of his father's politics went along with a decision to dedicate himself to teaching the unfortunate, first inspired when, during the gap between private Catholic school and Cambridge University, he worked as an unqualified supply teacher on an Ipswich council estate.
As Nussbaum (1990, p. 328) puts it, "The choice between one potential love and another can feel, and be, like a choice of a way of life, a decision to dedicate oneself to these values rather than these"; liking clearly does not have this sort of "depth".
I made a conscious decision to dedicate at least the next few decades to him when we got married.' One day, she would like Owl Farm to become a writers' centre, but in the meantime, she intends to stay put.
A recent American decision to dedicate a U.S. based Brigade Combat Team to work with the NATO Response Force is precisely the kind of close U.S.-European military interaction that is needed.
It was clear from Wednesday's letters page that our decision to dedicate a significant portion of the newspaper to reports and analysis of Bowie's life struck a chord with many readers.
Though sushi may have put the brothers on the map, the fried chicken, which they have served "since Day 1," as Eric put it, and which they offer in all their restaurants, is hugely popular — hence the decision to dedicate a restaurant to it.
Not long after, O'Neill was diagnosed with tuberculosis and sent to a sanatorium; the experience cemented his decision to dedicate himself to playwriting.
The first pontiff to step down in six centuries, Benedict said, "God told me to," when asked about his decision to dedicate himself to a life of prayer instead.
The decision to dedicate so much space to a single picture was a revolutionary move for a newspaper.
One of the most memorable was her decision to dedicate Susan Boyle's version of Cry Me a River to flood-stricken Cumbrians, as if they might need some more water.
The paper's decision to dedicate the front page to four other stories and a masthead promoting "status handbags" was in marked contrast to its response in 2012, when an independent panel produced a report that represented the first official vindication for the campaigners.
