| Answer | Crossword Clue |
|---|---|
| ENTERA | ... bid (participate in an auction) |
| BID | Participate in an auction |
| UPPED | Hiked, as an auction bid |
| NOD | Bid at an auction, perhaps |
| RUN | Participate in an ultramarathon |
| VOTE | Participate in an election |
| ACT | Participate in an ensemble |
| CLAP | Participate in an ovation |
| PHISH | Participate in an Internet scam |
| CURL | Participate in an ice sport |
| WALK | Participate in an AIDS-fighting fundraiser, perhaps |
