sporific

After the hectic pace of the past few days the rumble of the engines had a sporific effect on us.

Planet Mechanica Scheer, Karl 1977

They will not be brightened by standardized monotony, in which everybody drinks the same coloured pop, eats the same pre-digested breakfast food, sings the same infantile rhythms and listens passively to the same sporific pap as do most of the citizens in the mightiest land on earth.

America, Britain and Canada—The "A B C" of Destiny 1953

I have confided in her, and she promised me that when I felt the pangs coming on she would give that malicious woman a sporific, and thus we should be freed from all fears of her.

The memoirs of Jacques Casanova de Seingalt 1827