Definition: Denoting a period of time in the past that was idyllically happy and peaceful.
“And the halcyon fields of opportunity turn out to be consensual and arbitrary.”
—“Meeting of the Minds” on The Dissent of Man
In a sentence: Conservatives tend to glorify the era before the sixties as halcyon days, but there were serious issues of racism, sexism, and domination that made it a beneficial time for only a privileged few.
Synonyms: quiet, calm, tranquil, placid
Antonyms: frenzied, turbulent, violent
sources: the google, thesaurus.com