impressive/significant/great etc accomplishment• But the fact that Internetbroadcasting could be done at all seemed a great accomplishment.• Flint is good-and an impressive accomplishment for a first novel-but it ain't that good.• In addition to getting the universitykick-started, Stacy cites his greatest accomplishment as hiring a top-rate faculty.• Impressing people is not a particularly great accomplishment in and of itself.• That was the greatest accomplishment of my life.