Energy

n.energetic, hopefuleveryday

What it means

Lively strength and enthusiasm available for activity or effort.

Reach for it when praising the vigor someone brings to a task or group

Fresh volunteers brought new energy to the restoration campaign.

playful
get-up-and-go
when cheerful initiative suits conversational praise
not when The idiom is folksy and weakens dignified recognition.
playful
pep
when a quick informal lift in liveliness is intended
not when Pep sounds juvenile and trivializes serious sustained effort.
professional
drive
when inner motivation pushes progress toward a goal
not when Drive can become relentless and does not imply liveliness or warmth.
professional
stamina
when the ability to continue over time is central
not when Stamina may be quiet, without energy's immediate liveliness.
professional
vitality
when sustained aliveness and health are central
not when Vitality is a state of vigor and may not translate into active effort.
formal
dynamism
when active change and force characterize a person or organization
not when Dynamism can be disruptive and has a corporate tone.
formal
vigor
when forceful physical or intellectual activity deserves emphasis
not when Vigor sounds harder and less cheerful than positive energy.
literary
animation
when visible liveliness in expression or movement matters
not when A moment of animation offers no evidence of endurance.