It really depends on what you're trying to use absorb for. It can mean a lot of different things, such as:
verb (used with object)
1.
to suck up or drink in (a liquid); soak up: A sponge absorbs water
2.
to swallow up the identity or individuality of; incorporate: The empire absorbed many small nations.
3.
to involve the full attention of; to engross or engage wholly: so absorbed in a book that he did not hear the bell.
4.
to occupy or fill: This job absorbs all of my time.
5.
to take up or receive by chemical or molecular action: Carbonic acid is formed when water absorbs carbon dioxide.
6.
to take in without echo, recoil, or reflection: to absorb sound and light; to absorb shock.
7.
to take in and utilize: The market absorbed all the computers we could build. Can your brain absorb all this information?
8.
to pay for (costs, taxes, etc.): The company will absorb all the research costs.