justly

/ˈjəst/

Middle English, from Anglo-French & Latin; Anglo-French juste, from Latin justus, from jus right, law; akin to Sanskrit yos welfare

adjective

  1. having a basis in or conforming to fact or reason : reasonable

  2. conforming to a standard of correctness : proper

  3. faithful to an original

had just reason to believe he was in danger

just proportions

fair just equitable impartial unbiased dispassionate objective mean free from favor toward either or any side. fair implies a proper balance of conflicting interests. just implies an exact following of a standard of what is right and proper.