rea ‧ soned /ˈriːz ə nd/ BrE AmE adjective [only before noun]
[ Word Family: noun : ↑ reason , ↑ reasoning , ↑ reasonableness ; adjective : ↑ reasonable ≠ ↑ unreasonable , ↑ reasoned ; verb : ↑ reason ; adverb : ↑ reasonably ≠ ↑ unreasonably ]
based on careful thought, and therefore sensible SYN logical :
reasoned argument