relaxant

re·lax·ant  (r-lksnt)

n.

Something, such as a drug or therapeutic treatment, that relaxes or relieves muscular or nervous tension.

adj.

Tending to relax or to relieve tension.

Thesaurus

Noun	1.	relaxant - a drug that relaxes and relieves tension drug - a substance that is used as a medicine or narcotic muscle relaxant - a drug that reduces muscle contractility by blocking the transmission of nerve impulses or by decreasing the excitability of the motor end plate or by other actions
Adj.	1.	relaxant - tending to relax or relieve muscular or nervous tension; "a relaxant drug" depressant - capable of depressing physiological or psychological activity or response by a chemical agent