This is the 1081st most frequent Catalan word.
assistir
To attend.
Here, 'assistir' is used to mean 'to attend' an event.
Ahir vaig assistir a una conferència molt interessant.
Yesterday I attended a very interesting conference.
In this case, 'assistir' means 'to help' or 'to assist' someone.
Les infermeres assisteixen els pacients de l'hospital.
The nurses assist the patients at the hospital.
Here, 'assistir' has the context of 'being present' or 'participating' in something.