Antonyms of adj clueless

1 sense of clueless

Sense 1
clueless -- (totally uninformed about what is going on; not having even a clue from which to infer what is occurring)

INDIRECT (VIA uninformed) -> informed -- (having much knowledge or education; "an informed public"; "informed opinion"; "the informed customer")

Similarity of adj clueless

1 sense of clueless

Sense 1
clueless -- (totally uninformed about what is going on; not having even a clue from which to infer what is occurring)
       => uninformed (vs. informed) -- (not informed; lacking in knowledge or information; "the uninformed public")