1. In keeping
   "expressed views concordant with his background"
   - accordant, agreeable, conformable, consonant 
2. Being of the same opinion
   - concurring

See also: accordant, concordance, consistent

• smart-arse
• smart-ass
• smarta
• smarten
• smarten up
• smartie
• smarting
• smartly
• smartness
• smartphone
• smarts
• smarty
• smartypants
• smash
• smash hit
• smash-and-grab
• smash-up
• smashed
• smasher
• smashing
• smashingly
• smatter
• smattering
• SME
• smear