hobby
pastime
to spend time with other people in a friendly way
socialise
a quality of being able to be moved or carried easily
portability
complete/utter
stark
a very large number of something
plethora
a variety of things/people
range
surveyed
polled
to spend a lot of time in a particular place or with particular people
hang out
to give reasons why you think something is true
adduce
bring up (a child)
rear
someone who is the same age, or who has the same social position or abilities as other members of a group
rówieśni-k/czka, równy
peer
serving to fill out or complete
dopełniający
complementary