halcyon
marked by peace, prosperity, and happiness; idyllically calm
They looked back fondly on the halcyon days of their early friendship.
More GRE words starting with H
to make accustomed to something through repeated exposure
the erectile hairs along an animal's neck and back that rise in anger or fear; figuratively, a state of anger (as in 'raise someone's hackles')
made dull and unoriginal through overuse
a biography that idealizes its subject and glosses over flaws
to set apart as holy or treat with great reverence
regarded as holy or deeply revered
to perceive something that does not exist as a result of a disordered mental state or external influence
to hinder or impede the progress of something
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.