knowledgeable β possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
skilled β having skill; trained or experienced in work that requires skill.
practised β skilled or expert; proficient through practice or experience: a practiced hand at politics.
practiced β skilled or expert; proficient through practice or experience: a practiced hand at politics.
qualified β having the qualities, accomplishments, etc., that fit a person for some function, office, or the like.
veteran β a person who has had long service or experience in an occupation, office, or the like: a veteran of the police force; a veteran of many sports competitions.
proficient β well-advanced or competent in any art, science, or subject; skilled: a proficient swimmer.
skillful β having or exercising skill: a skillful juggler.
knowing β affecting, implying, or deliberately revealing shrewd knowledge of secret or private information: a knowing glance.
accomplished β If someone is accomplished at something, they are very good at it.
capable β If a person or thing is capable of doing something, they have the ability to do it.
competent β Someone who is competent is efficient and effective.
mature β complete in natural growth or development, as plant and animal forms: a mature rose bush.
professional β following an occupation as a means of livelihood or for gain: a professional builder.
seasoned β one of the four periods of the year (spring, summer, autumn, and winter), beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.
trained β Railroads. a self-propelled, connected group of rolling stock.
wise β having the power of discerning and judging properly as to what is true or right; possessing discernment, judgment, or discretion.
accustomed β If you are accustomed to something, you know it so well or have experienced it so often that it seems natural, unsurprising, or easy to deal with.
cultivated β If you describe someone as cultivated, you mean they are well educated and have good manners.
dynamite β A high explosive consisting of nitroglycerine mixed with an absorbent material and typically molded into sticks.
matured β complete in natural growth or development, as plant and animal forms: a mature rose bush.
rounded β having a flat, circular surface, as a disk.
sport β an athletic activity requiring skill or physical prowess and often of a competitive nature, as racing, baseball, tennis, golf, bowling, wrestling, boxing, hunting, fishing, etc.
tested β the means by which the presence, quality, or genuineness of anything is determined; a means of trial.
tried β simple past tense and past participle of try.
versed β of, relating to, or written in verse: a verse play.
adept β Someone who is adept at something can do it skilfully.
been around β in a circle, ring, or the like; so as to surround a person, group, thing, etc.: The crowd gathered around.
familiar β well-acquainted; thoroughly conversant: to be familiar with a subject.
in the know β to perceive or understand as fact or truth; to apprehend clearly and with certainty: I know the situation fully.
old β far advanced in the years of one's or its life: an old man; an old horse; an old tree.
old hand β a person who is experienced in or familiar with a subject, area, procedure, etc.: The guide you just hired is an old hand at leading safaris.
practical β of or relating to practice or action: practical mathematics.
well-versed β highly experienced, practiced, or skilled; very knowledgeable; learned: He is a well-versed scholar on the subject of biblical literature.
worldly β of or relating to this world as contrasted with heaven, spiritual life, etc.; earthly; mundane.
worldly-wise β wise as to the affairs of this world.