ago
— Adverb
– English
~ in the past; "long ago"; "sixty years ago my grandfather came to the U.S."
ago
— Adjective
– English
~ gone by; or in the past; "two years ago"; "`agone' is an archaic word for `ago'"
agog
— Adjective
– English
~ highly excited by eagerness, curiosity, etc.; "I've been agog all afternoon, waiting for the next episode in your mystery story"