blissful

from WordNet (r) 3.0 (2006)

blissful
    adj 1: completely happy and contented; "blissful young lovers";
           "in blissful ignorance"

from The Collaborative International Dictionary of English v.0.48

Blissful \Bliss"ful\, a.
   Full of, characterized by, or causing, joy and felicity;
   happy in the highest degree. "Blissful solitude." --Milton.
   -- {Bliss"ful*ly}, adv. -- {Bliss"ful*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

75 Moby Thesaurus words for "blissful":
      Elysian, affable, agreeable, amiable, amicable, beaming, beatific,
      beatified, blessed, capering, cheerful, chirping, compatible,
      complaisant, congenial, cordial, dancing, desirable, divine,
      dulcet, empyreal, empyrean, en rapport, enjoyable, fair,
      fair and pleasant, felicific, felicitous, fine, flushed with joy,
      gay, genial, glad, glowing, good, goodly, gracious, grateful,
      gratifying, happy, harmonious, heart-warming, heavenly, honeyed,
      joyful, joyous, laughing, leaping, likable, mellifluous, mellow,
      nice, paradisiac, paradisial, paradisian, paradisic, pleasant,
      pleasing, pleasurable, pleasure-giving, pleasureful, purring,
      radiant, rewarding, saintly, satisfying, singing, smiling,
      smirking, sparkling, starry-eyed, sublime, sweet, thrice happy,
      welcome