round out
To complete or complement something in an appropriate or satisfactory way. A noun or pronoun can be used between "round" and "out." Let's round out the evening with a sunset walk on the beach. The singer's solo rounded out the performance really well. I actually think it's nicer to round a meal out with a selection of fine cheeses as opposed to a dessert.
round something out
to complete or enhance something. We will round the evening out with dessert at a nice restaurant. They rounded out the meal with dessert.
round out
1. See round off, def. 2.
2. Grow or develop to a round form, as in The tree was spindly when first planted, but it has since rounded out nicely. [c. 1900]
round out
v. To bring some event or achievement to a pleasing conclusion or completeness, especially by enhancing it: This last song will round out our performance for this evening. Let's round the meal out with a glass of wine.