To have a vision of while sleeping; have a dream or dreams; fancy; hope; imagine; meditate.
A train of thoughts or images passing through the mind in sleep; also, a visionary idea or anticipation.
" I had last night a bad dream. – Mère Girauds Little Daughter by Frances Hodgson Burnett
She seems in a sort of dream. – The Privet Hedge by J. E. Buckrose
But I did not think the dream would really come true. – 'Lizbeth of the Dale by Marian Keith