Answer:

swift

Answer	Crossword Clue
SWIFT	Apace
SWIFT	Hummingbird's cousin
SWIFT	Fleet of foot

SWIFT	Country singer Taylor
SWIFT	"A Modest Proposal" author
SWIFT	"Gulliver's Travels" author
SWIFT	Fast
SWIFT	Fleet
SWIFT	"A Modest Proposal" author Jonathan
SWIFT	Houyhnhnm's creator
SWIFT	"A Modest Proposal" satirist

SWIFT	Happening quickly
SWIFT	"We Are Never Ever Getting Back Together" singer Taylor
SWIFT	Singer whose "Blank Space" was her second consecutive No. 1 on Billboard's Hot 100 in 2014
SWIFT	Meteoric
SWIFT	Fictional inventor Tom
SWIFT	Aptly named bird
SWIFT	Houyhnhnm creator
SWIFT	Anglo-Irish satirist

SWIFT	Quick
SWIFT	Speedy
SWIFT	Fleet-footed
SWIFT	"... from the ... completion of their appointed rounds"
SWIFT	Creator of Laputa and Lilliput.
SWIFT	Creator of Lilliput.
SWIFT	Sooty-brown bird.
SWIFT	Fast.

SWIFT	Jonathan or Tom
SWIFT	Wasting no time
SWIFT	Founder of Lilliput
SWIFT	"A Modest Proposal" writer
SWIFT	Clever, slangily
SWIFT	Galloping
SWIFT	Gulliver's creator
SWIFT	Not too ...

SWIFT	Chimney bird
SWIFT	"Polite Conversation" author
SWIFT	Gulliver's author
SWIFT	Swallow-like bird
SWIFT	". . . the ... completion of their appointed rounds"