The phrase "pleasant discovery" is correct and can be used in written English.
It describes a positive and enjoyable realization or finding. Example: During my research, I stumbled upon a pleasant discovery - a hidden gem of a restaurant tucked away in a quiet neighborhood.
Force of circumstance often leads to pleasant discovery.
A second pleasant discovery was larb, an entree that is also a Thai favorite but unusual in this area.
It was a pleasant discovery for me because I had finally found something that frightened my daughter that didn't scare me.
For drinks, the bar at the Hotel Cabo San Lucas, halfway between Cabo San Lucas and San Jose, was a pleasant discovery.
While that is ultimately a pleasant discovery for the company, the surprise cost it dearly: The pressurized water led to the failure of Geodynamics' second well in 2005 and nearly bankrupted the infant company.
In fact, one of our pleasant discoveries in recent years is that our readers will finish even our longest pieces — as much as ten and fifteen thousand words — on their phones.
I forgive these growing pains in a bootstrapped startup, because I have been going through a most pleasant trip of nostalgia and discovery over the last week or so (using a demo version of the app).
We can interpret the fact that consumers have started seeing trying on clothes as a pleasant experience as a new discovery about the function of trying on, which consumers used to consider a "cumbersome and annoying event" they had to go through to figure out an item's physical, functional, and aesthetic aspects.
We willingly become entangled in a sort of literary waltz, a pleasant to-and-fro of fresh discovery.
The discovery came as a pleasant surprise, Kim says, noting that the researchers unexpectedly observed the origin of trap states as they were studying the way surface treatments would affect the material.
And most wonderful of all has been the discovery that it was very pleasant indeed to be alone.
