As (conjunction)

  1. Used to indicate similarity or equality.
  2. In the capacity, character, or role of.
  3. While considering or in accordance with the fact that.

Origin:

Old english, from proto-germanic *alsi, probably originally meaning “through which”, from proto-indo-european *h₂el- 'beyond, other' and *-si, a suffix denoting instrumental case.

Examples:

  1. I work as a teacher.
  2. He sang as loudly as he could.
  3. As a child, she loved to play outside.
  4. As we discussed yesterday, the project deadline is approaching quickly.
  5. As you know, our company policy is to provide excellent customer service.
Some random words: acronym, sabbath, cosset