Meaning of “wizard” - Learner’s Dictionary

wizard

noun [ C ] uk us /ˈwɪzəd/
MAGIC

in stories, a man who has magical powers

SKILL informal

someone who is very good at something or knows a lot about something:

a computer wizard
COMPUTER

a computer program that gives the user a series of questions or instructions to help them use a particular system

(Definition of “wizard” from the Cambridge Learner’s Dictionary © Cambridge University Press)