come up with sth

come up with

 1) PHRASAL VERB If you come up with a plan or idea, you think of it and suggest it.
  [V P P n] Several of the members have come up with suggestions of their own...
  [V P P n] 30 years ago, scientists came up with the theory that protons and neutrons are composed of three smaller particles.
 2) PHRASAL VERB If you come up with a sum of money, you manage to produce it when it is needed.
  [V P P n] If Warren can come up with the $15 million, we'll go to London.