dynamism
noun
[ ˈdʌɪnəmɪz(ə)m ]
• the quality of being characterized by vigorous activity and progress.
• "the dynamism and strength of the economy"
• the theory that phenomena of matter or mind are due to the action of forces rather than to motion or matter.
Origin:
mid 19th century: from Greek dunamis ‘power’ + -ism.