indite
(verb) to write, compose
vouchsafe
(verb) to be willing
dim
(adjective) dull, gloomy, lackluster
celestial
(adjective) divine, heavenly
livery
(noun) special uniform worn by a servant
Philomela
(noun) in the context of this poem, a nightingale; in Greek mythology, an Athenian princess who was raped and deprived of her tongue by her brother-in-law Tereus, and turned into a nightingale while fleeing from him
sundry
(adjective) various, miscellaneous, diverse, assorted
arbor
(noun) a shady garden alcove with sides and a roof formed by trees or climbing plants trained over a wooden framework
Phoebus
(noun) in the context of this poem, the sun; in Greek mythology, the god of sunlight, prophecy, music, and poetry
descry
(verb) to perceive
swarthy
(adjective) dark-complexioned. Dusky
chide
(verb) to scold, rebuke
ditty
(noun) a short, simple song
conster
(verb) to construe
rind
(noun) bark
hest
(noun) commission
pathetic fallacy
(noun) the attribution of human feelings and responses to inanimate things or animals, especially in art and literature