Answer:

sky

Answer	Crossword Clue
SKY	".. King" (old TV show)
SKY	Blue shade
SKY	It's overhead

SKY	Shade of blue
SKY	Contrail locale
SKY	Diver's milieu
SKY	Planetarium vista
SKY	The view above
SKY	..-high
SKY	"What Would I Want? ..." (Animal Collective song)
SKY	Hit high, as a fly ball

SKY	Character who sings "Luck Be A Lady" in "Guys and Dolls"
SKY	"Guys and Dolls" guy
SKY	Setting of the sun
SKY	King of early TV
SKY	Folksinger Patrick
SKY	It's often looked up to
SKY	Daydreamer's limit?
SKY	Firmament

SKY	Daydreamer's limit
SKY	What's up?
SKY	Optimist's limit
SKY	Optimist's limit?
SKY	Wild blue yonder
SKY	Cloud cover
SKY	Light-pollution site
SKY	... One (British TV channel)

SKY	Azure expanse
SKY	Sun spot?
SKY	Lead-in for line or scraper
SKY	The limit, proverbially
SKY	Certain diver's milieu
SKY	Cloud locale
SKY	Heavens
SKY	Kind of blue

SKY	Cloud backdrop
SKY	Limitless limit?
SKY	Light or line lead-in
SKY	Much of a sunset photo
SKY	Place to dive from