E.S.P. stands for Extra-Sensory Perception, a term that refers to the ability to obtain information through means that are beyond the five senses. Synonyms for E.S.P. include clairvoyance, telepathy, intuition, precognition, and sixth sense. These terms all describe the ability to access information beyond what the physical senses can detect. Clairvoyance refers to the ability to see things beyond the physical realm, while telepathy is the ability to communicate mind-to-mind. Intuition is a broad term that describes the ability to acquire knowledge or make decisions without conscious reasoning, while precognition is the ability to perceive future events. The term sixth sense is also commonly used to refer to E.S.P.