If you come around or come round to an idea, you eventually change your mind and accept it or agree with it. It looks like they're coming around to our way of thinking She will eventually come round
When someone who is unconscious comes around or comes round, they recover consciousness. When I came round I was on the kitchen floor. = come to
When something comes around or comes round, it happens as a regular or predictable event. I hope still to be in the side when the World Cup comes around next year
If someone comes around or comes round to your house, they call there to see you. Beryl came round this morning to apologize Quite a lot of people came round to the house. = come over