A thesaurus or a dictionary
A Thesaurs
Use a thesaurus to find the words "normal" and "conventional."
Depending on what you think the meaning of these words are. A synonym would be where two words mean the same thing, so clever and ignorant are antonyms. These words do have opposite meanings.
Thesaurus
A telephone book.
A dictionary or thesaurus
Typically, a thesaurus will have both synonyms and antonyms that you can look for.
a thesaurus
A Thesaurs
Use a thesaurus to find the words "normal" and "conventional."
Depending on what you think the meaning of these words are. A synonym would be where two words mean the same thing, so clever and ignorant are antonyms. These words do have opposite meanings.
Roget's Thesaurus Roget's Thesaurus
Thesaurus
Tartan Tossers. It's very clever because Tartan->Scottish, Tossers -> obviously talking cabers here, since the Scots reference would imply that.
ENCYCLOPEDIA
A telephone book.
almanac