To Come Up

1. Used other than figuratively or idiomatically: see come,‎ up.
2. (intransitive) To come towards, to approach.
3. (idiomatic, intransitive) To emerge or become known, especially unexpectedly.
4. To come to attention, present itself; to arrive or appear.
5. To appear (before a judge or court).
6. To draw near in time.
7. (intransitive, of a heavenly body) To rise (above the horizon).
8. (Britain, slang, intransitive) To begin to feel the effects of a recreational drug.
9. (UK, Oxford University) To arrive at the university. (Compare go down, send down.)

Antonyms

• come down
• go down