Meaning

• To such an extent or degree; to the same extent or degree.

  "It's not as well made, but it's twice as expensive."

• Considered to be, in relation to something else; in the relation (specified).

  "1865, The Act of Suicide as Distinct from the Crime of Self-Murder: A Sermon"

• For example; for instance. (Compare such as.)

Meaning

• Introducing a basis of comparison, with an object in the objective case.

  "They're big as houses."

• In the role of.

  "He was never seen as the boss, but rather as a friend."

Meaning

• In the (same) way or manner that; to the (same) degree that.

  "As you wish, my lord!"

• At the time that; during the time when:

• Being that, considering that, because, since.

  "As it’s too late, I quit."

• Introducing a comparison with a hypothetical state (+ subjunctive, or with the verb elided): as though, as if.

• Functioning as a relative conjunction, and sometimes like a relative pronoun: that, which, who. (See usage notes.)

  "He had the same problem as she did getting the lock open."

• (possibly obsolete) Than.