This is the 10083rd most frequent Catalan word.
organitzades
"Organitzades" means "organized" in English.
Here, 'organitzades' is used as an adjective describing the state of the festivals, indicating that they have been planned and prepared effectively.
Les festes del poble estan molt ben organitzades.
The town's festivities are very well organized.
In this sentence, 'organitzades' is used as a past participle forming part of a passive construction indicating the need for proper planning and arrangement of the trips.
Totes les excursions d'estiu han de ser organitzades amb precaució.
All the summer trips must be organized with caution.
Here, 'organitzades' associates with the noun 'conferències', functioning as an adjective derived from the participle form, conveying who arranged the conferences.