come up with (something)
To devise or produce something. Who came up with the idea for this marketing campaign? Good luck coming up with the money for a new car!
come up with someone or something
to find or supply someone or something; to manage to find or improvise something. I came up with a date at the last minute. My mom is always able to come up with some yummy snack for me in the afternoon.
come up with
Produce, supply; also, discover. For example, Henry always comes up with the wrong answer, or We're hoping they come up with a cure in time to help Aunt Alice. [First half of 1900s]
come up with
To bring forth, discover, or produce: came up with a cure for the disease.