The Collaborative International Dictionary of English v.0.48:

Tennysonian \Ten`ny*so"ni*an\, a.
   Of or pertaining to Alfred (Lord) Tennyson, the English poet
   (1809-92); resembling, or having some of the characteristics
   of, his poetry, as simplicity, pictorial quality,
   sensuousness, etc.
   [Webster 1913 Suppl.]