Here are examples of the word/phrase "interesting" used in a sentence and paraphrased in a sentence...
I found what you said the other day to be very interesting.
I found what you said the other day to be very fascinating.
It is interesting how the shortest man on the relay team runs the fastest.
It is intriguing how the shortest man on the relay team runs the fastest.
The most interesting types of documentaries are the ones that consist of sacred knowledge.
The most fascinating types of documentaries are the ones that consist of sacred knowledge.
Other Examples...