1. in a way that is just, equitable, or reasonable; without bias or prejudice
The judge treated both parties fairly.
O juiz tratou ambas as partes razoavelmente.
2. moderately; to a considerable degree, but not extremely
The movie was fairly good, though not outstanding.
O filme foi razoavelmente bom, embora não fosse excepcional.
3. actually, positively, or genuinely (archaic/emphatic usage)
The music was fairly beautiful.
A música era verdadeiramente bela.