Synonyms: aware, conscious, alert, informed, mindful
Antonyms: unaware, ignorant
aware: knowing about things that are happening or about facts
Example: I’m not aware of any problem. Is he aware that we have to decide
conscious: awake and able to know what is happening around you
Example: She was conscious during the operation.
alert: watching or listening carefully, ready to notice something
Example: The patient is still very alert mentally. Young people have to be alert to
the dangers of drugs.
informed: having a lot of information, or having the latest information
Example: The programme is aimed at highly informed viewers.
mindful: remembering or thinking about something carefully when doing
Example: He is mindful of his responsibilities as a parent. You should be mindful
of the risks you are taking.
unaware: not knowing facts, or not realising that something is happening
not knowing things that it is important to know