The sky was a burnished aestival blue.    From Wordnet, Princeton University. 

Voltinism induction aestival diapause Colorado potato beetle.    From Wordnik.com.  [MyLinkVault Newest Links] Reference

The solstices, you will remember, are two in each year, the aestival or summer solstice, and the hyemal or winter solstice.    From Wordnik.com.  [A View of Nature: In Letters to a Traveller Among the Alps] Reference

N. - sense perception, aesthesia. aestival adj. - of summer. aestivation, n.    From Wordnik.com.  [xml's Blinklist.com] Reference

Of reason; nor when life's aestival sun.    From Wordnik.com.  [The Complete Works of Percy Bysshe Shelley — Volume 3] Reference

Of reason; nor when life’s aestival sun.    From Wordnik.com.  [The Complete Poetical Works of Percy Bysshe Shelley] Reference

36, 59, 61 adze, 67, 241 aeon, 223 aero, 184 aeroplane, 241 aesophagus, 233 aesthete, 237 aesthetic, 223, 237 aestival, 223 aetaernall, 228 aether, 237 aetiology, 237 aetiology, 223 affetuoso, 88 affiliate, 92 affis, 398.    From Wordnik.com.  [Mencken, H] Reference