Anodyne

Adjective

 * 1) Capable of soothing or eliminating pain.
 * 2) Noncontentious, blandly agreeable, unlikely to cause offence or debate; bland, inoffensive.

Noun

 * 1)  Any medicine or other agent that relieves pain.
 * 2)  A source of relaxation or comfort.

Thesaurus
alcohol; alleviating; alleviative; alleviator; amobarbital sodium; analgesic; anesthetic; assuager; assuasive; balm; balmy; balsamic; barb; barbiturate; barbiturate pill; benumbing; black stuff; blue; blue angel; blue devil; blue heaven; blue velvet; calmant; calmative; cathartic; chloral hydrate; cleansing; codeine; codeine cough syrup; cushion; deadening; demulcent; depressant; depressor; dolly; dolorifuge; downer; dulling; easing; emollient; goofball; hard stuff; heroin; hop; horse; hypnotic; junk; knockout drops; laudanum; lenitive; liquor; lotus; meperidine; methadone; mitigating; mitigative; mitigator; moderator; modulator; mollifier; morphia; morphine; narcotic; nepenthe; numbing; opiate; opium; pacificator; pacifier; pain killer; pain-killer; pain-killing; palliative; paregoric; peacemaker; pen yan; phenobarbital; phenobarbital sodium; purgative; purple heart; quietener; quietening; rainbow; red; relieving; remedial; restraining hand; salve; scag; secobarbital sodium; sedative; shit; shock absorber; sleep-inducer; sleep-inducing; sleeper; sleeping draught; sleeping pill; smack; sodium thiopental; softening; somnifacient; somniferous; soother; soothing; soothing syrup; soporific; stabilizer; subduing; tar; temperer; tranquilizer; tranquilizing; turps; white stuff; wiser head; yellow; yellow jacket