Synonyms for Merry:

adj.

airy (adjective)
Light-hearted.
amusing (adjective)
stimulating, entertaining, fun, charming, jocular, pleasing, diverting, hilarious, frivolous, refreshing, recreational, pleasant, relaxing, jolly, delightful, rollicking, beguiling, Light-hearted, Distracting, playful, amusing, enthralling.
blithe (adjective)
gladsome.
cheerful (adjective)
pleasant, happy, jolly, pleased, agreeable, cordial, glad, jaunty, lively, congenial, spirited, buoyant, cheery, friendly, cheerful, lighthearted, complaisant, easygoing, joyful, warm, sunny, bright, affable, snappy, genial, optimistic, sparkling, amiable.
joyful (adjective)
exultant, joyful, festive, delightful, ceremonious, frolicsome, jubilant, gleeful, elated.
joyous (adjective)
heartwarming.
very happy; festive (adjective)
pleasant, enjoyable, glad, carefree, hilarious, joyful, convivial, gleeful, frolicsome, lighthearted, joyous, jolly, lively, zippy, cheerful, mirthful, boon, sunny, rollicking, jocund, amusing, entertaining.

n.

uplifting, satisfying, life-affirming, heartwarming, exhilarating, good. content, boon, convivial, exuberant, carefree, satisfied, contented. gladsome. drunk (noun)
hard-drinking, inebriated, hungover, alcoholic, blitzed, wasted, intoxicated, Hammered.
festive (noun)
enjoyable.
merry (noun)
brisk, jolly, rattling, festal, zippy, mirthful, festive, spanking, jovial, jocund, energetic, gala, snappy, lively, joyous.

Other synonyms:

gladsome. festive
convivial.
Other relevant words:
zippy, wasted, mirthful, exhilarating, satisfied, content, hard-drinking, snappy, alcoholic, life-affirming, satisfying, good, festal, brisk, enjoyable, rattling, uplifting, energetic, contented, convivial, heartwarming, intoxicated, carefree, joyous, jocund, blitzed, boon, jovial, exuberant, hungover, spanking, gladsome, Hammered, inebriated, gala.

Usage examples for merry

  1. He seemed in a very merry mood this evening, and was smiling as he walked, very fast, as usual. – Oddsfish! by Robert Hugh Benson
  2. It's Merry all right. – On With Torchy by Sewell Ford
  3. Truly he is " a merry one," and it will go hard with us to hold him. – Little Rivers A Book Of Essays In Profitable Idleness by Henry van Dyke