have a particular opinion, belief, or idea about someone or something

she thought that nothing would be the same again

it's thought he may have collapsed from shock

up to 300 people were thought to have died

direct one's mind towards someone or something; use one's mind actively to form connected ideas

he was thinking about Colin

Jack thought for a moment

any writer who so rarely produces a book is not thinking deep thoughts

an act of thinking

I went for a walk to have a think