Found 2 items, similar to somnific.
English → English (WordNet) Definition: somnific somnific adj : sleep inducing [syn: soporific, soporiferous, somniferous, hypnogogic, hypnagogic]
English → English (gcide) Definition: Somnific Somnific \Som*nif"ic\, a. [L. somnificus; somnus sleep + facere to make.] Causing sleep; somniferous. [1913 Webster]