A person who knows everything is called omniscient, from Latin roots meaning "all-knowing," though this term often refers to deities; for a person with vast, diverse knowledge, polymath (Renaissance person) or a know-it-all (informal/pejorative) are used, while someone skilled in many areas might be a "jack of all trades".
To be omniscient is to know everything. This often refers to a special power of God. If you combine the Latin roots omnis (meaning "all") and scientia (meaning "knowledge"), you'll get omniscient, meaning "knowledge of all." It would be nice to be omniscient: then you would know absolutely everything in the world.
Pantomath. A Pantomath is a person who wants to know and knows everything. In theory, a Pantomath is not to be confused with a polymath in its less strict sense, much less with the related but very different terms philomath and know-it-all.
aware, educated. appreciative brilliant conscious conversant discerning experienced informed insightful intelligent learned perceptive sensible smart sophisticated well-informed well-rounded wise.
When a person's knowledge covers many different areas, he or she is a polymath. The Greek word for it is polymathes, "having learned much," with poly meaning "much," and manthanein meaning "learn." Definitions of polymath.
Some common synonyms of skilled are adept, expert, proficient, and skillful. While all these words mean "having great knowledge and experience in a trade or profession," skilled stresses mastery of technique. When might adept be a better fit than skilled?
Synonyms of communicator
astute brainy bright brilliant creative imaginative inventive knowledgeable original perceptive rational resourceful smart well-informed wise.
Here are a few alternatives to the phrase "He is a man of many talents":
15 Synonyms for Proficient
Narcissistic personality disorder is a mental health condition in which people have an unreasonably high sense of their own importance.
SYNONYMS 1. perceptive. 2. attentive, heedful, mindful, aware.
Knowledge usually refers to information or awareness that someone has about a subject, whether from education or experience, as in “she has a lot of first-hand knowledge about the video game industry as both a player and a designer.” Wisdom refers instead to someone's good sense, judgment, or insight (“he demonstrated ...
Know-it-all behavior often stems from underlying insecurity, fear of vulnerability, or past experiences that have led to a need for control and validation. From a psychological perspective, this behavior can be a defense mechanism used to protect one's self-esteem or mask feelings of inadequacy.
noun. a saucy or impudent person.
Some common synonyms of talent are aptitude, bent, faculty, genius, gift, and knack. While all these words mean "a special ability for doing something," talent suggests a marked natural ability that needs to be developed.
gifted person intellectual genius polymath whiz kid.
Your enthusiasm is infectious. Your potential is so vast, it needs its own galaxy to contain it. You have a talent for bringing people together. You're you, and that's the best compliment of all.
A genius is a person who has very great intelligence or a rare natural ability or skill, especially in a particular area such as science or art. The system must have been designed by a mathematical genius. A prodigy is someone with a very great ability that usually shows itself when that person is a young child.
Synonyms
Five strong synonyms for "strong" that convey power, resilience, or health are powerful, robust, sturdy, vigorous, and tough, each offering a slightly different nuance, from physical might to endurance.
They Listen and Create Dialogue
Great communicators are not always talking. In fact, the best communicators are exceptional listeners eager to dialogue with their audiences and hear their perspectives. Great communication happens when leaders and their employees or colleagues understand each other.
extrovert. outgoing person. gregarious person. hail-fellow-well-met.
/ˈtɔkətɪv/ A person who is talkative likes to talk — she's friendly and ready to gab at all times about just about anything. We all have conversations, but some people enjoy talking more than others: those people are talkative. They find it easy to strike up a conversation, unlike others who may be shy.