1) Euphoric 2) Happy 3) Tending to induce euphoria 4) Tending to produce euphoria 1) Euphoric 
A euphoriant (or euphorigenic) is a type of psychoactive drug which tends to induce feelings of euphoria, the effects of which may include relaxation, anxiolysis, stress relief, mood lift, pleasure, and a rush although these effects are not necessary for a drug to be a euphoriant. Many euphoriants are notorious for their problems with abuse and ad...
Brings on an exaggerated sense of physical and emotional well-being.
1. Having the capability to produce a sense of well-being. ... 2. An agent with such a capability. ... Synonym: euphoretic. ... (05 Mar 2000) ... 
(u-for´e-әnt) euphoretic.
Type: Term Pronunciation: yū-fōr′ē-ant Definitions: 1. An agent with the capability to produce a sense of well-being. 2. Generally an agent having the capability to produce euphoria. Synonyms: euphoretic
[adj] - tending to produce euphoria 2. [n] - a psychoactive drug that tends to produce elation and euphoria
euphoriant A drug that tends to produce euphoria.
adjective tending to produce euphoria
tending to induce euphoria.