Assuage (&unr_;), v. t. [imp. & p. p. Assuaged; p. pr. & vb. n. Assuaging (&unr_;).] [OE. asuagen, aswagen, OF. asoagier, asuagier, fr. assouagier, fr. L. ad + suavis sweet. See Sweet.] To soften, in a figurative sense; to allay, mitigate, ease, or lessen, as heat, pain, or grief; to appease or pacify, as passion or tumult; to satisfy, as appetite or desire.
[1913 Webster]

Refreshing winds the summer's heat assuage. Addison.
[1913 Webster]

To assuage the sorrows of a desolate old man Burke.
[1913 Webster]

The fount at which the panting mind assuages
Her thirst of knowledge. Byron.
[1913 Webster]

Syn. -- To alleviate; mitigate; appease; soothe; calm; tranquilize; relieve. See Alleviate.
[1913 Webster]