in a way that is an extremely important and basic characteristic of a person or thing

a part of something

to take part in something

behave according to usual or expected standards

standard of normal or acceptable behaviour

someone who is of a similar age or social class

the ability to see, hear, or become aware of something through the senses.

confidence and belief in yourself

worth having or doing as beneficial and wise

continue to have or do something

continue saying that something is true, even though other people may doubt it

to support or recommend

great ability or skill

consider something or someone to be (necessary, important etc.)

to let yourself do or have something that you enjoy but that may be bad for you

to grow or become stronger, healthier or more successful

non-living thing

to include or affect someone or something

regularly check how something is changing, developing or progressing

to make sure or certain; guarantee

arrange (a group of people or things) in classes or categories according to shared qualities or characteristics

based on facts or reason, not emotions

easily recognizable because of being different or special

possible, likely to become real in the future

possessing the ability to grow stronger

to work closely with sb and exchange information with them

tiresome; boring; dull

thoroughly recorded in writing or on film

to do something that is different from the usual or common way of behaving

give an explanation for something

to make less worried or fearful; to comfort

to form by combining different elements

to show that something is not what it has been claimed to be; refute

to cause, bring about; to persuade

enthusiastically, readily

a particular part or feature of something

used to introduce a statement that is mainly or usually true

show, display

a person who travels from home to work and back

to do the same thing as someone else; to follow their example

an idea or theory on which a statement or action is based

many different types

to start a company or organization that will continue for a long time

to discover or get proof of something

to get something, sometimes with difficulty

a feeling of slight pain or uneasiness

expected

the action of explaining the meaning of something

have a lot of respect for someone or something

having value, importance, or worth; good enough for

careful thought before making a decision

a basic idea or rule which is real but not immediately obvious

to improve or increase something

to display the best of sth

skilled

to introduce something into another thing already in existence

a person who is too shy to take part in social activities

rate at which goods are produced or work is completed

a way of dealing with something

to make clear by reasoning or evidence

exciting, interesting

changed slightly so that it is suitable for a particular purpose

effect or result

extremely important or necessary