I.
noun
1 purpose/special duty of sb/sth
ADJECTIVE
▪ important , useful , valuable
▪ critical , crucial , essential , key , vital
▪ chief , main , major , primary , prime
▪ basic
▪ particular , specific
▪ proper
▪ original
▪ dual
▪
The committee has a dual ~, both advisory and regulatory.
▪ bodily , brain , liver , mental , etc.
▪
Fortunately, his head injuries left his bodily ~s unimpaired.
VERB + FUNCTION
▪ have
▪ carry out , fulfil/fulfill , perform , serve
▪
All members carry out their own particular ~s.
▪
The club serves a useful ~ as a meeting place.
2 important social event
ADJECTIVE
▪ charity , official , social
▪
The couple attended a charity ~ in aid of cancer research.
VERB + FUNCTION
▪ hold
▪ attend , go to
FUNCTION + NOUN
▪ room
▪
The reception will be held in the hotel's ~ room.
II.
verb
ADVERB
▪ effectively , efficiently , smoothly , successfully , well
▪ optimally
▪ flawlessly , perfectly
▪ correctly , normally , properly
▪
All the instruments were ~ing normally.
▪
I can't ~ properly without a coffee.
▪ adequately , satisfactorily
▪
Problems arise when the body's immune system is not ~ing adequately.
▪ poorly
▪ barely
▪
My brain could barely ~ through the pain.
▪ autonomously , independently
▪
a system in which judges ~ independently of politics
▪ largely , mainly , primarily
▪
The organization ~s primarily through volunteer efforts.
▪ actually
▪
This model does not describe accurately the way a market economy actually ~s.
▪ still
▪
The bombs continued to fall, but somehow the city still ~ed.
VERB + FUNCTION
▪ be able to , be unable to , can
▪
When nutrients are in short supply the body cannot ~ normally.
▪ begin to
▪ continue to
▪ cease to
PHRASES
▪ fully ~ing
▪
The group has now become a fully ~ing political organization.
Function is used with these nouns as the subject: ↑ brain , ↑ economy , ↑ system