1. Capable of acting on or influencing each other
   - interactive

See also: interaction, mutual, reciprocal

• software engineer
• software error
• software package
• software piracy
• software product
• software program
• software system
• softwood
• softy
• soggily
• sogginess
• soggy
• soh
• Soho
• soi-disant
• soigné
• soignée
• soil
• soil bank
• soil conditioner
• soil conservation
• soil erosion
• soil horizon
• soil pipe
• soil profile