1. With no problems or difficulties
   "put the plans into effect quickly and smoothly"
   - swimmingly 
2. In a smooth and diplomatic manner
   "'And now,' he said smoothly, 'we will continue the conversation'"

See also: smooth

• Ch'in dynasty
• Ch'in Shih Huang Ti
• Ch'ing
• Ch'ing dynasty
• cha
• cha-cha
• cha-cha-cha
• Chabad
• Chabad Hasidism
• Chabad-Lubavitch
• chabasite
• chabazite
• Chablis
• chachalaca
• chachka
• chacma
• chacma baboon
• chaconne
• chad
• chadar
• chaddar
• Chadian
• Chadian franc
• Chadic
• Chadic language