1) Answer to a knock 2) Enter the game 3) Invitation at the door 4) Response to a knock 
To go see the boss when summoned. 
A financial statement that merges the assets, liabilities, net worth, and operating figures of two o
[v] - come into fashion
come out verb take a place in a competition; often followed by an ordinal; `Jerry came in third in the Marathon` verb come into fashion; become fashionable
A bet is said to come in if it wins.