Chatoyant – like a cat’s eye
Cynosure – a focal point of esteem
Elysium – any perfect place or paradise
KK, Mathim, here are the definitions for those Y and Z-loaded words (from the Free Online Dictionary and Wikipedia):
Syzygy : the nearly straight-line configuration of three celestial bodies (as the sun, moon, and earth during a solar or lunar eclipse) in a gravitational system
Zyzzyva (pronounced IPA: /ˈzɪzəvə/) is a genus of tropical American weevil often found in association with palms. It is also the last word in many English language dictionaries such that it is sometimes used to mean "the last word".