Possessing might or power; powerful, potent, strong. Frequently rhetorical, connoting a pre-eminent… Of a person, group of people, or their…

Of a person: possessing property, or wealth; well-to-do, wealthy; hence of social standing or influence.

Having great power or force; effective, powerful; influential, potent; that prevails with or against (a person or thing). Obsolete.

Of persons: Having weight or importance; influential, respected. (Sometimes used as an epithet of respectful address.) Of authors, books, maxims…

= substantial, adj.

Formerly: †powerful, influential; = prevalent, adj. 1a (obsolete). In later use: widespread, pervasive; = prevalent, adj. 3. Cf. prevailant, adj.

Infusing or communicating influence; influential.

Of persons: Having great authority or influence; important or impressive in respect of position, views, or utterance.

Of a person or group of people: having influence or importance. Now rare.

Having, possessing, or characterized by great influence or power; powerful. Of persons.

Having the quality of influencing; influential.

= high-powered, adj. 2.

Having a high degree of authority, influence, or dynamism; involving a high degree of responsibility.