Researched

Dr. Svensen researched the issue so extensively that his bibliography makes up half the weight of his book.

We need to have this researched by a biologist.

Tom's researched his family history and intends to send a detailed family tree to all of his relatives.

The article was well researched and insightful.

We researched the Amazon rainforest.

Most people don't have researched, well-thought-out positions regarding economic policy. They have opinions based on feelings.

Who researched this article?

He was surprised how little he knew once he researched the topic.

Sami carefully planned and researched all options.

Sami researched every single religion.