Jocund
Etymology: [L. jocundus, jucundus, orig., helpful, fr. juvare to help. See Aid.]
Merry; cheerful; gay; airy; lively; sportive. Night's candles are burnt out, and jocund day Stands tiptoe on the misty mountain tops. Shak. Rural sports and jocund strains. Prior. -- Joc"und*ly, adv. -- Joc"und*ness, n.
1 other Webster entry under this spelling
Jocund, adv.
Merrily; cheerfully. Gray.
Shades of meaning
Fernald has no entry of its own for jocund; he lists it under happy.
He lists it without comment; the entries above explain its neighbors.