come along

1.  Accompany or go with someone. For example, Are you coming along with us today? [Late 1600]
2.  Advance toward a goal, make progress, as in How are you coming along with your piano lessons?
3.  Appear or materialize, as in I'm hoping another offer will come along soon.

The verb has 2 meanings:

Meaning #1: come into being or existence, or appear on the scene
  Synonym: appear

Meaning #2: develop in a positive way
  Synonyms: progress, come on, advance, get on, get along, shape up