1. Making an additional point; anyway
   "I don't want to go to a restaurant; besides, we can't afford it"
   - in any case 
2. In addition
   - too, also, likewise, as well

1. In addition to; as well as

Encyclopedia: Besides

• extend oneself
• extend to
• extendable
• extended
• extended care facility
• extended family
• extended order
• extended time scale
• extender
• extendible
• extensible
• extensile
• extension
• extension agent
• extension cord
• extension course
• extension ladder
• extension phone
• extension service
• extensional
• extensive
• extensively
• extensiveness
• extensometer
• extensor