Take On Meaning

(intransitive, idiomatic) To show emotion, to grieve or be concerned about something or someone.

Example: To acquire, bring in, or introduce.
  The ship took on cargo in Norfolk yesterday.
  In the dark, the teddy bear took on the appearance of a fearsome monster.
  I'll take on the project if no one else will.
  I don't recommend taking on that bully, since he's bigger than you are.
1974, GB Edwards, The Book of Ebenezer Le Page, New York 2007, p. 225:
  He had enough money to stock it well, and it took on; but the side of the business he did best on was his travelling shop.
1851, Herman Melville, Moby Dick, chapter 16
  But I am one of those that never take on about princely fortunes, and am quite content if the world is ready to board and lodge me, while I am putting up at this grim sign of the Thunder Cloud.