Sĕd'a-tīve1, a.
a. [Fr. sédatif, Sp. & It. sedativo, from Lat. sedare. See SEDATE.] Tending to calm, moderate, or tranquilize; specifically, allaying irritability and irritation; assuaging pain.
2 entries under this word
a. [Fr. sédatif, Sp. & It. sedativo, from Lat. sedare. See SEDATE.] Tending to calm, moderate, or tranquilize; specifically, allaying irritability and irritation; assuaging pain.
n. (Med.) A remedy which allays irritability and irritation, and irritative activity or pain.