swimmingly

hienosti, mainiosti puhekieltä In a very favorable manner; agreeably; without difficulty; successfully.
1712, w:Jonathan Swift|Jonathan Swift, The Journal to Stella (first published 1766), ch. 5, Letter 47:

The Secretary would not go so far to satisfy the Whigs in the House of Commons; but there all went swimmingly.

The negotiation goes on swimmingly, inasmuch as there is no prospect of its ever coming to a close. Nothing is lost by these delays and obstacles but time; and in a negotiation, according to the theory I have exposed, all time lost is in reality so much time gained; with what delightful paradoxes does modern political economy abound!

We got on swimmingly together, deriving much entertainment, if not much improvement, from our mutual intercourse.

Things went swimmingly with George. He had weathered a crisis, and was now full of confidence.

I got along swimmingly. The travelling men, after a moment or two of embarrassed diffidence, treated me quite as one of themselves.

If all goes swimmingly, the bill could reach the President's desk by year end.