γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
fragrant: P. and V. εὐώδης.
evil smelling: P. and V. δυσώδης, Ar. and V. κάκοσμος (Aesch. and Sophocles, Fragment).