round out

Related to round out: round up, overzealousness, deputise, ameliorative

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.
See also: out, round
Farlex Dictionary of Idioms.

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.
See also: out, round
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

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]
See also: out, round
The American Heritage® Dictionary of Idioms by Christine Ammer.

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.
See also: out, round
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • send round
  • argue round and round
  • round about
  • in round numbers
  • buy a round
  • buy a/the round (of drinks)
  • driving
  • tear round
  • a round for the house
  • round of applause