pla·cebo
[pləˈsiːbəʊ]
NOUN
a medicine or procedure prescribed for the psychological benefit to the patient rather than for any physiological effect.
synonyms:
medication · medicament · remedy · cure · nostrum · patent medicine · quack remedy · panacea · cure-all · drug · prescription · dose · treatment · physic · medicinal
a substance that has no therapeutic effect, used as a control in testing new drugs.
a measure designed merely to humour or placate someone:
"pacified by the placebos of the previous year, they claimed a moral victory"


pana·cea
[ˌpanəˈsiːə]
NOUN
a solution or remedy for all difficulties or diseases:
"the panacea for all corporate ills" · [more]
synonyms:
universal cure · cure-all · cure for all ills · universal remedy · sovereign remedy · heal-all · nostrum · elixir · wonder drug · perfect solution · magic formula · magic bullet · catholicon · diacatholicon · panpharmacon