Acting as a stimulant.
Something that promotes activity, interest, or enthusiasm.
A substance that acts to increase physiological or nervous activity in the body.
Of or relating to the general character, mood, or trend of something.
Employing differences in pitch (tones) to distinguish differences in the meaning of otherwise similar words (words which would otherwise be homophonic).
Of or relating to tones or tonality.
Employing tones that have a predictable relationship to some tonic.
An animal companion which accompanies a person from birth to death.