Dil·et·tant·isme

dil·et·tant·ism
[dil-i-tahn-tiz-uhm, -tan-]
noun
the practices or characteristics of a dilettante.

dil·et·tante
[dil-i-tahnt, dil-i-tahnt, -tahn-tey, -tan-tee]
adjective
noun
1. a person who takes up an art, activity, or subject merely for amusement, especially in a desultory or superficial way; dabbler.
2. a lover of an art or science, especially of a fine art.

Why the extra e? Because French is fancy.