Verb

1. Make a shift in or exchange of
2. Change place or direction
3. Move around
4. Move very slightly
5. Move from one setting or context to another
6. Change in quality
7. Move and exchange for another
8. Move sideways or in an unsteady way
9. Move abruptly
10. Use a shift key on a keyboard
11. Change phonetically as part of a systematic historical change
12. Change gears
13. Lay aside, abandon, or leave for another