The phrase "sparked optimism" is correct and usable in written English.
It can be used when describing a situation or event that has generated a sense of hope or positive expectation.
Example: "The announcement of the new project sparked optimism among the team, leading to increased motivation."
Alternatives: "ignited hope" or "fostered positivity."
The move sparked optimism, with predictions that it would transform Aboriginal job prospects, and also foster an atmosphere in which fewer tourists climbed the rock.
The recent ceasefire between the guerrillas and the Turkish government has sparked optimism over a negotiated solution to a conflict that has dragged on for over three decades.
While the rest of the world hastily constructed a psychological profile of North Korea's new leader, at home his elevation sparked optimism that he would improve living standards in one of the world's poorest countries, and dilute the songun "military first" policy that characterised his father's 16 years in power.
Hints that the monoclonal antibody rituximab, a drug that destroys antibody-producing B cells, may help some people with ME/CFS have also sparked optimism.
The wine hadn't sparked optimism.
Such initiatives can spark optimism and focus the attention of the bureaucracies and the press.
Stocks were down slightly in morning trading as the dollar continued to fall and merger news in the Internet and utility industries failed to spark optimism.
It sparked heady optimism that democracy in Pakistan, for so long a stop-start affair to be interrupted constantly by a meddling military establishment, was taking root.
A 2000 peace conference held in Djibouti, however, sparked international optimism when it yielded a three-year plan for governing Somalia.
This has sparked cautious optimism about fresh peace talks launched in March.It has been possible to cross the Green Line in a few places since 2003, but after the initial enthusiasm the number of people making the journey dropped sharply.
Not surprisingly, the stock performance has sparked overwhelming optimism among options players.
