Real Dictionary

communicate
verb: If one person communicates with another, they successfully make each other aware of their feelings and ideas. You can also say that two people communicate.
verb: If you communicate information, a feeling, or an idea to someone, you let them know about it.
verb: If you communicate with someone, you share or exchange information with them, for example by speaking, writing, or using equipment. You can also say that two people communicate.

communicate in American English
to pass along; impart; transmit (as heat, motion, or a disease)
to receive Holy Communion
intransitive verb: to give or interchange thoughts, feelings, information, or the like, by writing, speaking, etc
transitive verb: to impart knowledge of; make known

communicate in British English
verb: to impart (knowledge) or exchange (thoughts, feelings, or ideas) by speech, writing, gestures, etc