alight on/upon something phrasal verb formal ( see also ↑ alight )
to suddenly think of or notice something or someone:
His mind alighted on several possible answers.
alight on/upon something phrasal verb formal ( see also ↑ alight )
to suddenly think of or notice something or someone:
His mind alighted on several possible answers.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012