Regular transitive and intransitive verb meaning to clear of clouds or figuratively to clarify.
A fresh breeze unclouded the evening sky.
Свежий ветер прояснил вечернее небо.
Her explanation unclouded the complex issue for everyone.
Её объяснение прояснило сложный вопрос для всех.
Synonyme
dispel (as in dispel doubts)
clear up
remove haze
make clear