• (British) IPA: /ˈdʒʌstli/

justly (comparative justlier, superlative justliest)

1. In a just or fair manner; rightfully.
   • 1890, Robert Franklin Pennell, History of Rome:

     His valor, wisdom, and justice made him justly popular, but caused him to be regarded with suspicion at Rome.

2. With a just or fair use of language; with good reason, properly.
   • 2012, Jay Newton-Small, ‘Gangless in Glasgow’, Time, 1 Oct 2011:

     But the city on the River Clyde can justly claim to have turned the tide.

3. (obsolete) With great precision; accurately, exactly.
   • 1603, Michel de Montaigne, chapter 14, in John Florio, transl., The Essayes, […], book II, printed at London: By Val[entine] Simmes for Edward Blount […], OCLC 946730821 ↗:

     It is a pleasant imagination to conceive a spirit iustly ballanced betweene two equall desires.

• French: justement
• German: gerecht
• Italian: giustamente
• Portuguese: justamente
• Russian: справедли́во
• Spanish: justamente, con razón