Set (noun) – el conjunto
(Pronounced kohn-hoon-toh)
To remember that set is pronounced kohn-hoon-toh (conjunto) in Spanish, use the following mnemonic:
Her set of golf clubs was consumed by the typhoon and were totally (conjunto) lost.

Conjunto is masculine, so it's el conjunto. Imagine an elephant shaped set of Russian dolls.

Examples of conjunto (set) in a sentence
El conjunto de libros estaba organizado por color.
(The set of books was organized by color.)
Compré un conjunto de herramientas para el jardín.
(I bought a set of tools for the garden.)
El profesor presentó un conjunto de reglas nuevas.
(The professor presented a set of new rules.)