Informative (adjective)

1. Giving information; instructive.
2. Providing information in a clear and useful way.

Origin:

Early 17th century: from latin informativus, from informare "instruct".

Examples:

1. The article was informative and provided a lot of useful information.
2. The lecture was informative and helped to clarify the topic.
3. The website was very informative and easy to navigate.
4. The guide gave an informative tour of the historic site.
5. The report was informative, but also raised a lot of questions.