1.
Someone who is ~ knows about a subject or what is happening in the world.
Informed people know the company is shaky.
...the importance of keeping the public properly ~.
ADJ
see also well-~
2.
When journalists talk about ~ sources, they mean people who are likely to give correct information because of their private or special knowledge.
According to ~ sources, those taken into custody include at least one major-general.
ADJ: ADJ n
3.
An ~ guess or decision is one that likely to be good, because it is based on definite knowledge or information.
We are able to make more ~ choices about how we use drugs.
ADJ: ADJ n
4.
see also inform