1. to collect, to gather, to pick up, to fetch, to retrieve (something previously left behind)

2. to pick up (a person or people by vehicle)

3. to clean up (e.g., a room)

4. to pack up

5. to harvest, reap (fruit)

6. to pick up on, glean, capture (e.g., a point, a link, distinction, subtlety, ambiguity, etc.)

7. to reflect (figurative, figuratively)

8. to go to bed (reflexive)