reason
US /ˈriː.zən/
UK /ˈriː.zən/

1.
razón, motivo
a cause, explanation, or justification for an action or event
:
•
The reason for his absence was illness.
La razón de su ausencia fue la enfermedad.
•
What's your reason for doing that?
¿Cuál es tu razón para hacer eso?
1.
razonar, argumentar
think, understand, and form judgments logically
:
•
He tried to reason with her, but she wouldn't listen.
Intentó razonar con ella, pero ella no quiso escuchar.
•
We need to reason through this problem carefully.
Necesitamos razonar este problema cuidadosamente.