considered normal, and having or using ideas, beliefs, etc. that are accepted by most people. conventional ideas or activities. bring into mainstream.

(384–322 BC), Greek philosopher and scientist. A student of Plato and tutor to Alexander the Great, he founded a school (the Lyceum) outside Athens. He is one of the most influential thinkers in the history of Western thought. His surviving works cover a vast range of subjects, including logic, ethics, metaphysics, politics, natural science, and physics..

commercial business. Businesses that sell things or provides services. associate with.

generally assumed or believed to be case, but not necessarily. To imagine or guess what might happen.

place, person, or thing from which something comes or can be obtained. To get, e.g. a raw material, from somewhere.

have in or be able to bring to one's mind awareness of.

Reflexive form of 'you', used for an emphasis.

Important well-respected person. Person who is not known or named.

person who is studying at university or other place of higher education. People studying at school.

Study of past events as an academic subject.

To put something at risk or in danger.

as truth or facts.

Person studying important matters, creating ideas.

occasionally, rather than all of time.

Revealing; exposing the truth. To have a negative effect on someone.