Whimsical or flamboyant.
Enjoyable or amusing.
playful, often noisy, activity.
amusement, enjoyment or pleasure
To tease, kid, poke fun at, make fun of.
Excessively sweet in action or disposition, especially if romantic or sentimental to the point of ridiculousness; sickly sweet, syrupy.
Resembling granulated sugar; saccharoid.
Of or relating to saccharin (“a white, crystalline powder, C₇H₅NO₃S, used as an artificial sweetener in food products”).
Sentimentalism.