1. Proceeding from natural feeling or impulse without external stimulus
   - impulsive

See also: self-generated, spontaneous

• sear
• search
• search and destroy mission
• search and rescue mission
• search engine
• search language
• search mission
• search party
• search warrant
• searchable
• searcher
• searcher beetle
• searching
• searching fire
• searchingly
• searchlight
• seared
• searing
• searing iron
• searingly
• searobin
• Sears Tower
• seascape
• seashell
• seashore