[{"Bold_text": "noun", "List Items": ["a medicine that invigorates or strengthens:a tonic of sulphur and molasses.", "anything invigorating physically, mentally, or morally:His cheerful greeting was a real tonic.Synonyms: pickup , bracer , restorative , stimulant", "quinine water quinine water.", "Music.the first degree of the scale; the keynote.", "Chiefly Eastern New England.soda pop.", "Phonetics.a tonic syllable or accent."]}, {"Bold_text": "adjective", "List Items": ["pertaining to, maintaining, increasing, or restoring the tone or health of the body or an organ, as a medicine.", "invigorating physically, mentally, or morally.", "Physiology, Pathology.pertaining to tension, as of the muscles.marked by continued muscular tension:a tonic spasm.", "pertaining to tension, as of the muscles.", "marked by continued muscular tension:a tonic spasm.", "using differences in tone or pitch to distinguish between words that are otherwise phonemically identical:a tonic language.", "pertaining to or accent in speech.", "Phonetics.(of a syllable) bearing the principal stress or accent, usually accompanied by a change in pitch.", "Music.of or relating to a tone .pertaining to or founded on the keynote, or first tone ,of a musical scale:a tonic chord.", "of or relating to a tone .", "pertaining to or founded on the keynote, or first tone ,of a musical scale:a tonic chord."]}, {"Bold_text": null, "List Items": ["a combining form occurring in adjectives that correspond to nouns ending in-tonia:catatonic."]}]