The phrase "amusing explanation" is correct and usable in written English.
You can use it when describing an explanation that is entertaining or humorous in nature.
Example: "The professor gave an amusing explanation of the complex theory, making it easier for the students to understand."
Alternatives: "entertaining account" or "humorous clarification".
His very amusing explanation of the days before remote control employed screaming sparingly, which increased its impact.
Two area residents, Bonnie Richmond and Kathy Clark, devised a clever, amusing explanation of the force of gravity in which Ms. Clark appears as Ms. Sterious Gravity.
Reddit user Colieoh claims a friend penned the amusing explanation following her child's late arrival.
For an amusing explanation of one family's reason for thinking socialized medicine is good for family values, go to my son Nicholas Brown's link: http://www.huffingtonpost.com/nicholas-brown/comparing-healthcare-some_b_279534.html.
His cranky wit is amusing; his explanations for his decisions sound like an opportunist's self-justification.
There were other entries that had some funny explanations, including two from "Mark Moctezuma" at HuffPost: (Bedtime for) Donzo and Dishonest Donald (which was followed with the amusing line: "Do you have hemorrhoids or is that your tongue?").
This week Mr Despretz, 41, will publish a volume of the most amusing and imaginative explanations and excuses that he has heard in more than a decade as a flic (plus some gathered by his colleagues).
The cost of the 12 days of cumulative gifts is calculated annually by PNC Wealth Management, part of the PNC Financial Services Group, to come up with an amusing and easily understandable explanation of how the country's economy is faring.
Guessed at, in part, many times, no one of the several explanations ... ever solved this amusing puzzle".
By amusing coincidence, the file number on an accompanying explanation in Russian was 000007.
Case in point is the Kardashian catfight katfight that broke out on Tuesday, March 4. Kim caught her sisters Khloe and Kylie in playful brawl and shared it on her Keek account without explanation as to what caused the amusing attack.
