cheerful -
being full of or promoting cheer; having or showing good spirits; "her cheerful nature"; "a cheerful greeting"; "a cheerful room"; "as cheerful as anyone confined to a hospital bed could be"
cheerless,
depressing,
uncheerful causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place"
glad feeling happy appreciation; "glad of the fire's warmth"
happy well expressed and to the point; "a happy turn of phrase"; "a few well-chosen words"
beaming,
glad radiating or as if radiating light; "the beaming sun"; "the effulgent daffodils"; "a radiant sunrise"; "a refulgent sunset"
beamish,
smiling,
twinkly smiling with happiness or optimism; "Come to my arms, my beamish boy!"- Lewis Carroll; "a room of smiling faces"; "a round red twinkly Santa Claus"
blithesome,
light-hearted,
lighthearted,
blithe,
lightsome carefree and happy and lighthearted; "was loved for her blithe spirit"; "a merry blithesome nature"; "her lighthearted nature"; "trilling songs with a lightsome heart"
perky,
buoyant,
chirpy characterized by liveliness and lightheartedness; "buoyant spirits"; "his quick wit and chirpy humor"; "looking bright and well and chirpy"; "a perky little widow in her 70s"
cheery,
sunny,
gay bright and pleasant; promoting a feeling of cheer; "a cheery hello"; "a gay sunny room"; "a sunny smile"
