.lexicon.descriptive/active

efficacious.
|ˌefiˈkā sh əs|
adjective
(typically of something inanimate or abstract) successful in producing a desired or intended result; effective

contrivance.
|kənˈtrīvəns|
noun
a thing that is created skillfully and inventively to serve a particular purpose
• the use of skill to bring something about or create something
• a device, esp. in literary or artistic composition, that gives a sense of artificiality.

dynamism.
|ˈdīˌmizəm|
noun
the quality of being characterized by vigorous activity and progress
• the quality of being dynamic and positive in attitude
chiefly historical Philosophy the theory that phenomena of matter or mind are due to the action of forces rather than to motion or matter.

aberrant.
|ˈabərənt; əˈber-|
adjective
departing from an accepted standard.
• chiefly Biology diverging from the normal type

surreptitious.
|ˌsərəpˈti sh əs|
adjective
kept secret, esp. because it would not be approved of

marauding.
|məˈrôd|
verb
roam in search of things to steal or people to attack
• raid and plunder (a place).

insensate.
|inˈsenˌsāt; -sit|
adjective
lacking physical sensation
• lacking sympathy or compassion; unfeeling
• completely lacking sense or reason