The phrase "act of diplomacy" is correct and usable in written English.
It can be used when referring to actions taken to manage relationships between countries or to resolve conflicts through negotiation and dialogue.
Example: "The recent summit was a significant act of diplomacy aimed at improving relations between the two nations."
Alternatives: "diplomatic effort" or "diplomatic action".
"It is seen as an act of diplomacy not just between the Rijksmuseum and the Met, but between the Netherlands and the United States," boasts Mr Liedtke.
Consequently, orchestrating attendance at a midweek family occasion, as I needed to do for my daughter's school play, can be an act of diplomacy.
Mr. Obama retains the kind of celebrity status here in East Africa that he once enjoyed in Europe and other parts of the world, making his visit a public event as much as an act of diplomacy.
If a nuclear deal is the centerpiece of Obama's strategy, just as important, long-term, Rhodes said, is the mere act of diplomacy — learning how to talk to Iran again.
"The decision to send Bill Burns to Geneva this weekend is a creative act of diplomacy and could forge a path out of the current deadlock, although we are at the very first stage.
Working out who does what first, or engineering simultaneous moves, will be a delicate act of diplomacy, especially if Palestinian terror attacks and Israeli shelling continue to inflame tensions.
As one of her first acts of diplomacy last February, Mrs Clinton signed an agreement under which Japan would contribute $6 billion to relocating Futenma.
The FRC launched spectacular acts of terrorism whose sole purpose appeared to be to discredit Mr Arafat's attempted rapprochement with Jordan and other acts of diplomacy whose direction was clearly towards creating a Palestinian state alongside Israel.
The Bush administration, in one of its last acts of diplomacy, signed a memorandum of understanding with Israel on Friday, pledging support for efforts to interdict the flow of weapons into Gaza, mostly via tunnels.
Or consider one of America's first major postwar acts of diplomacy: blocking a plan to send U.N. peacekeepers to Ivory Coast (a former French colony) to enforce a truce in a vicious civil war.
The Grand Komnenoi of the Empire of Trebizond were famed for marrying their daughters to their neighbours as acts of diplomacy.
