You searched for: “influential
1. Able to have a powerful effect on people and what they do, or on events.
2. Someone who is of considerable importance or influence.
3. Exerting influence or power by some invisible operation; such as, physical causes on bodies, or as moral causes on the mind.

It is particularly used to express the operation of moral causes.

This entry is located in the following unit: fluct-, flucti-, -flux, flu-, flum-, -fluent, -fluence (page 6)