This is the 6324th most frequent French word.
gentil
Kind or nice.
Here, 'gentil' describes the man's kindly behavior towards children, acting as an adjective to characterize his demeanor.
Ce monsieur est très gentil avec les enfants.
This gentleman is very kind to the children.
In this context, 'gentil' signifies 'nice' or 'pleasant,' referring to the quality of the gift as perceived by the receiver.
Elle a dit que notre cadeau était gentil.
She said that our gift was nice.
'Gentil' here functions as a moral or personal trait essential to friendship, focusing on the virtue of kindness.