Answer:

iridescent

Answer	Crossword Clue
IRIDESCENT	Like some avian plumage
IRIDESCENT	Rainbowlike
IRIDESCENT	Lustrous

IRIDESCENT	One of the most frequently misspelled English words.
IRIDESCENT	Displaying rainbowlike colors.
IRIDESCENT	Brilliant.
IRIDESCENT	Colorful
IRIDESCENT	Like mother-of-pearl
IRIDESCENT	Mother-of-pearl