Verb conjugation of "repenser" in French

It is a column header, the column itself has 2 buttons 'thumb up' and 'thumb down'... And I am looking for the title of the header. Then I want you to simply mark those words and sentences that are wrong or have typos.
The system will collect information about the learning behavior and guide the user through a tailor-made process that is best suited for him. This technique is not entirely new but we are redesigning the whole concept of it.
It's very good for me to be a member at Vocabulix be because I meet many new people. I'm currently being trained to be travel consultant and I really need English and Spanish and maybe other languages.