This is the 10918th most frequent Spanish word.
determine
To decide or establish something firmly or conclusively.
In this sentence, 'determinar' is used to mean 'decide' or 'establish' with authority.
El juez determinará la sentencia del acusado.
The judge will determine the sentence of the accused.
Here, 'determinar' is used to mean 'find out' or 'ascertain' through investigation.
Es difícil determinar el origen de la enfermedad.
It is difficult to determine the origin of the illness.
In this context, 'determinar' means 'decide upon' or 'outline' for planning purposes.