Related Clues:
- Regular and free from problems
- Flat - consistent - plausible
- Lacking roughness
- Uninterrupted
- Hiccup-free
- Glistening, as Christmas ornaments
- Word often used in razor ads
- Un-wrinkled
- Like models' hair in shampoo ads
- Like corn tassels
- Keep quiet about controversial plane
- Without lumps
- Point debatable - hard to iron out
- Unruffled, keep quiet about debate
- Polished, reflecting