something that actively contributes to the production of a result

the accepted method and order of doing something in a formal situation

the meaning of a word

to believe something is true (without knowing for sure)

to take for granted, assume or suppose; to dare, take upon oneself, take liberties

1. A hypothesis that has been tested with a significant amount of data

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anything that brings help, money, aid, or other advantages

Proof of something being true or untrue

to officially begin/open/announce something

A reliable, respected source—someone with knowledge. Also, a leader with power over others.

greater in importance, rank

topics or problems under discussion

Human effort directed toward producing goods and services

to happen

The study of how society manages its scarce resources

1. complicated, difficult to understand

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explanation of something not obvious or not meaning the same thing to everyone

Steady; regular; constant; predictable

A number of different kinds; assortment

a person who cares for persons or property

guidance and direction, being watched to make sure people are safe/doing what they should

a person leading a meeting or an organized group

The leader in a school

A formal process of learning in which some people consciously teach while others adopt the social role of learner.

the act of teaching or providing knowledge

The complete program of classes required by a school

a standard to which other things are compared or by which they are measured

treatment methods aimed at making people feel better and function more effectively

Someone trained to give advice