A Wizard

1. Someone, usually male, who uses (or has skill with) magic, mystic items, and magical and mystical practices.
2. One who is especially skilled or unusually talented in a particular field.
3. (computing) A computer program or script used to simplify complex operations, often for an inexperienced user, an assistant program.
4. (Internet) One of the administrators of a multi-user dungeon.
5. (obsolete) A wise man; a sage.
6. (Internet slang) An adult virgin over the age of 30

Synonyms

• (in magic): conjurer, mage, magician, magic user, mystic, sorcerer, warlock, witch
• (one very skilled or talented): genius, expert, prodigy; skilled person
• (in computing): assistant