c’est chouette
it is great
c’est divertissant
it is entertaining
c’est génial
it is great
c’est intéressant
it is interesting
c’est marrant
it is fun
c’est passionnant
it is exciting
c’est relaxant
it is relaxing
c’est rigolo
it is fun
c’est sympa
it is nice
c’est incroyable
it is incredible/amazing