you say 'agréable'.
In French, 'bon voyage' means 'have a nice journey'.
'your the nice one' in french is 'votre la belle'.
It tastes nice is "ça a bon gout" or "c'est bon" in French.
allons à Nice
Travail
gentil/gentille
French confectionery is very nice to eat - no problem wit a french confection.
You can say "c'est sympa" in French to mean "that's nice."
The Cat Story in French is "L'histoire De Chat"
Nices pictures is "belles images" in French.
If you mean nice weather, you could say Il fait beau aujourd'hui