Succuss is a rare word that generally means to shake vigorously. It is typically used in relation to medicine, where it refers to the process of vigorously shaking a solution to release its active ingredients. Synonyms for succuss are relatively limited due to its specific usage, but some alternatives include agitate, shake, stir, and blend. In a medical context, the term "dynamize" may also be used synonymously, as it refers to the same process of shaking a solution in order to increase its potency or effectiveness. While not commonly used in everyday conversation, succuss and its synonyms play an important role in medicine and pharmacology.