Iwandered lonely as a cloud that floats on high o'er vales and hills, when all at once i saw a crowd, a host, of golden daffodils; beside the lake, beneath the trees, fluttering and dancing in the breeze. continuous as the stars that shine and twinkle on the milky way, they stretched in never-ending line along the margin of a bay: ten thousand saw i at a glance, tossing their heads in sprightly dance. which word does wordsworth use to create an upbeat tone?