Modifiers matching agonist:

• potent,
• partial,
• diverse,
• common,
• pure,
• ordinary,
• pharmacological,
• analgesic,
• pharmacologic,
• adrenergic,
• full,
• active,
• narcotic,
• synthetic,
• central,

Simple categories matching narcotic:

• analgesic,
• opiate,
• agonist,
• pharmaceutical,
• drug,
• painkiller,
• poison,
• medication,
• plant,
• substance,
• activity,
• agency,
• medicine,
• antitussive,
• genus,
• agent,
• use,