the part of some types of seat, especially in planes or cars, that supports your arm
armrest
to sit or lie in a relaxed way, with your body leaning backwards
recline
agreed or approved of by most people in a society
acceptable
a situation that makes problems, often one in which you have to make a very difficult choice between two things
dilemma
to refuse politely to accept or to do something
decline
another word to say "often"
frequently
a person eating a meal, especially in a restaurant
diner
to keep away from somebody/something
avoid
suitable, acceptable or correct for the particular circumstances
appropriate
the act of allowing somebody to do something
permission
to naturally react, move, etc. in a particular way
behave
having no friendly human feelings or atmosphere
impersonal
an official process to find out the cause of something or to find out information about something
enquiry
to have or take complete control of something so that others are prevented from sharing it
monopolize
not giving enough thought to other people’s feelings or needs
inconsiderate