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noun
vigor - Physical strength and good health
vitality - The state of being strong and active; energy
verb
bolster - Support or strengthen; prop up
pep - Energy or enthusiasm
clout - Influence or power, especially in politics or business
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Leverage - The ability to influence people, situations, or decisions to gain an advantage
tenacity - Holding tightly onto a opinion or goal in a determined way
adjective
virile - A man being full of sexual strength and energy in a way that is considered attractive
Linchpin - A central, essential, or most important person or thing that holds everything together.
Fortitude - Courage in enduring pain or hardship without giving up.
Galvanize - To stimulate or energize a group or movement to act in unison.
energized - Full of energy and enthusiasm, feeling ready to accomplish something big