1. Marked by or relating to or resulting from combination
   - combinative 
2. Relating to or involving combinations
   - combinative, combinatorial 
3. Able to or tending to combine
   - combinable, combinational

See also: combinatorial, integrative

• output routine
• output signal
• output-to-input ratio
• outrace
• outrage
• outraged
• outrageous
• outrageously
• outrageousness
• outrange
• outrank
• outreach
• outride
• outrider
• outrigged
• outrigger
• outrigger canoe
• outright
• outrival
• outroar
• outrun
• outré
• outsail
• outscore
• outsell