mas·ter·ly 
(măstər-lē)
(măstər-lē)adj.
Having or showing the knowledge or skill of a master. See Usage Note at masterful.
adv.
With the skill of a master.
master·li·ness n.
- waterboarding
- water boatman
- waterborne
- water-borne
- water brash
- waterbuck
- water buffalo
- water bug
- Waterbury
- waterbus
- water caltrop
- water cannon
- water chestnut
- water chinquapin
- water clock
- water closet
- water clover
- watercolor
- watercolorist
- water column
- water-cool
- water cooler
- watercourse
- watercraft
- watercress