This is the 7342nd most frequent Catalan word.
apropiat
Appropriate.
The adjective 'apropiat' is used here to describe the suitability of the dress for a particular event.
Aquest vestit és molt apropiat per a l'ocasió.
This dress is very appropriate for the occasion.
'Apropiat' describes the timing that was suitable for providing an explanation.
Vaig triar el moment apropiat per explicar el que va passar.
I chose the appropriate moment to explain what happened.
In this instance, 'apropiat' conveys the necessity or suitability of an action.