'tonic' in a sentence

: relating to or being the keynote of a major or minor scale

: imparting vitality and energy

: of or relating to or producing normal tone or tonus in muscles or tissue

: employing variations in pitch to distinguish meanings of otherwise similar words

: (used of syllables) bearing the principle stress, usually accompanied by a change in pitch

: lime- or lemon-flavored carbonated water containing quinine

: a sweet drink containing carbonated water and flavoring

: (music) the first note of a diatonic scale

: a medicine that strengthens and invigorates