blissfully, blithely, brightly, buoyantly, cheerfully, contentedly, delightedly, delightfully, devotedly, elatedly, enthusiastically, exhilaratingly, exultantly, freely, gaily, gladly, gleefully, graciously, heartily, hilariously, jovially, joyfully, joyously, laughingly, lightheartedly, lightly, lovingly, merrily, optimistically, peacefully, playfully, pleasantly, sincerely, smilingly, sportively, vivaciously, willingly, with relish, with zeal, zestfully
Words for happily are gladly, contentedly, cheerfully, joyfully, gleefully, blissfully, & merrily.
An antonym for happily is sadly.
Other words for very pleased could be elated, delighted, ecstatic, or overjoyed.
joyously
cheerfully
blissfully
Compound words with "other" include otherwise, other than and each other.
Myself, me
The other words can one use other than confused are deranged, confounded, blended, mixed, disordered etc.
there is alot of words you can use for scared such as terrified or
awesome
i apologize
Happily is an adverb, because it modifies the verb it is paired with ("lived happily ever after", "skipped happilydown the street"). Happy is the adjective as it describes something rather than modifying it ("she looked very happy").
others, some people
Mad, twisted
Thank You
extremely
jog