sop·o·rif·er·ous 
(sŏp′ə-rĭfər-əs, sō′pə-)
(sŏp′ə-rĭfər-əs, sō′pə-)adj.
Inducing or tending to induce sleep; soporific.
sop′o·rifer·ous·ly adv.
sop′o·rifer·ous·ness n.
- William Julius
- William Lawrence
- William Lee
- William Lloyd
- (William Lyon) Mackenzie
- William Magear
- William Makepeace
- (William Matthew) Flinders
- William Maxwell Aitken.
- William Motter
- William of
- William of
- William of Malmesbury
- "William of Orange."
- William of Orange
- William Orville
- William Penn Adair
- William Randolph
- "William Rufus."
- Williams
- Williams
- Williams
- Williams
- Williams
- Williams