| Answer | Crossword Clue |
|---|---|
| STEP | Milestone for baby |
| SOLO | Milestone for a pilot |
| IPO | 2013 milestone for Twitter |
| TREELINE | Milestone for mountain climbers |
| LSAT | Milestone for future DAs |
| IPO | 1956 milestone for Ford: Abbr. |
| ORALS | Milestone for Ph.D. student. |
| SOLIDS | Milestone foods for an infant |
| SOLO | Milestone for a new pilot |
| IPO | Twitter milestone of 2013, for short |
| IPO | Big milestone for a start-up |
| IPO | Big milestone for a young co. |
| ORALS | Milestone for the Ph. D. student. |
