Power factor is a measurement used in electrical engineering that evaluates how efficiently a system is utilizing electrical power. There are several synonyms available for the term power factor in the field, and each carries a different connotation. Some of the synonyms for power factor include the more technical terms such as phase displacement, reactive power, and harmonic distortion. Other common synonyms for power factor include electrical efficiency, system performance, energy consumption and voltage distortion. Choosing the most appropriate synonym for power factor will depend on the specific situation, context, and target audience in the field of electrical engineering.