power-n; 4 Senses

Sense Number 1: an ability to control or influence

Commentary: POWER[+attribute][+/-physical]

Examples:
It was beyond my power to avoid the accident.
They suspected an abuse of judicial power.
Has the power of the Presidency increased this century?
Sampson's power was lost through treachery.
This opera has great emotional power.

Mappings:
WordNet 3.0 Sense Numbers: 1, 3, 4, 7

Sense Number 2: entity that possesses ability to control or influence

Commentary: POWER[+agent][+entity]

Examples:
China is a rising power.
His father was a major power in the publishing business.
They sensed an evil power following them through the graveyard.
Their country was no longer a great sea power.

Mappings:
WordNet 3.0 Sense Numbers: 8, 5, 9

Sense Number 3: exerted physical force

Commentary: POWER[+action][+physical]

Examples:
The engineers measured the power produced by the waterfall.
Power is the amount of work exerted per unit of time.

Mappings:
WordNet 3.0 Sense Numbers: 2

Sense Number 4: a mathematical measurement

Commentary: POWER[+quantity]

Examples:
Three raised to the third power is twenty-seven.
The power of this telescope's lens is greater than that one.
Greater powers of magnification revealed detailed cellular structure.

Mappings:
WordNet 2.0 Sense Numbers: 8