Hey-day!

Hey-day! an Interjection of Admiration.

Definition taken from The Universal Etymological English Dictionary, edited by Nathan Bailey (1736)

Hermetick Science * Hey-ho!
Helminthagoˊgick
Heˊrison
Hermetick Art
Hermetick Art
Hermetical, or Hermetick
Hermetical Philosophy
Hermetical Physick
Hermetical Seal
Hermeˊtically [with Chymists]
Hermetick Science
Hey-day!
Hey-ho!
Huˊnting
Hunting the Foil
Huˊrdles
Hurdles
Iˊchoglans