This is the 5438th most frequent Polish word.
szkoleniowy
"Szkoleniowy" means "training-related" or "pertaining to training."
Here, 'szkoleniowym' is an adjective describing a meeting intended for training purposes.
Na szkoleniowym spotkaniu omówiono nową strategię firmy.
During the training meeting, the new company strategy was discussed.
In this sentence, 'szkoleniowe' is an adjective qualifying materials designed for training.
Przygotowano nowe materiały szkoleniowe dla pracowników.
New training materials for employees were prepared.
'Szkoleniowa' acts as an adjective here, characterizing the platform as one designed specifically for training.