The Collaborative International Dictionary of English v.0.48:

Ibsenism \Ib"sen*ism\, prop. n.
   The dramatic practice or purpose characteristic of the
   writings of Henrik Ibsen (1828-1906), Norwegian poet and
   dramatist, whose best-known plays deal with conventional
   hypocrisies, the story in each play thus developing a
   definite moral problem.
   [Webster 1913 Suppl.]