General synonyms:
* Ivory
* Cream
* Snow
* Alabaster
* Pearl
* Silver (when used for a metallic sheen)
* Off-white
Words emphasizing purity or cleanliness:
* Pristine
* Immaculate
* Spotless
* Virginal
Words emphasizing brightness or luminosity:
* Gleaming
* Radiant
* Luminous
* Incandescent
Words emphasizing coolness or starkness:
* Bleached
* Chalky
* Ethereal
* Ghostly
Words used in specific contexts:
* Snowy white: For a very bright white, like fresh snow
* Bone white: For a slightly off-white, like the color of bones
* Milky white: For a soft, slightly opaque white
* Diamond white: For a very brilliant, clear white
The best word to use will depend on the specific situation and the effect you want to create.