This is the 302nd most frequent Ukrainian word.
думаю
"I think."
In this sentence, 'думаю' is used to express an opinion or a thought.
Я думаю, що це гарна ідея.
I think this is a good idea.
Here, 'думаю' is employed to convey a prediction or an anticipatory thought.
Думаю, що завтра ми зустрінемось.
I think we will meet tomorrow.
In this case, 'думаю' refers to recalling or reminiscing about past events.