加える

What does 加える mean in English?

1. to add; to add up; to sum up; to append; to annex(v1, vt)
2. to increase; to gather (e.g. speed); to pick up(v1, vt)
3. to include; to count in; to let join(v1, vt)
4. to inflict (damage); to deal; to give(v1, vt)