set or category. Groups that share some things in common. To place things into groups by common qualities.

containing as part of whole being considered. To make someone, something part of a group.

in space separating things. From one person, thing, or place, to another.

Acting/done properly as a qualified person would. One who plays a sport or similar activity as a job.

having resemblance in appearance, character, or quantity. person or thing similar to another.

identify person or thing from having encountered them before.

make sound of word or part of word in correct.

To know the meaning of language, what someone says.

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

needing much effort or skill to accomplish, deal with, or understand.

complex of runways and buildings for take-off, landing, and maintenance of civil aircraft.

Being sympathetic. Knowledge about something or someone. To know the meaning of language, what someone says.

Changing vehicles when traveling.

Person who is not known or named.

the principal method of human communication, consisting of words used in a structured and conventional way and conveyed by speech, writing, or gesture.