1. Designed to activate or move or regulate itself
   "a self-activating sprinkler system"
   - self-acting, self-moving, self-regulating

See also: automatic

• West-sider
• westbound
• wester
• westering
• westerly
• western
• Western Australia
• Western Australia coral pea
• Western ax
• Western axe
• Western balsam poplar
• western big-eared bat
• Western birch
• western black-legged tick
• western blackberry
• western blind snake
• Western box turtle
• western buttercup
• Western Cape
• western chimpanzee
• western chokecherry
• Western Church
• Western civilisation
• Western civilization
• western coral snake