Definition of "Dynamic" :

noun: an efficient incentive

"They hoped it would act as a spiritual dynamic on all churches."

adjective: (used of verbs (e.g. to run') and participial adjectives (e.g. running' in running water')) expressing action rather than a state of being

adjective: characterized by action or forcefulness or force of personality

"A dynamic market."

adjective: of or relating to dynamics