Meaning of “conscious” - Learner’s Dictionary

conscious

adjective uk us /ˈkɒnʃəs/
be conscious of/that

B2 to know that something is present or that something is happening:

She became conscious of his stare.
I'm very conscious that a lot of people disagree with me.
a conscious decision/choice/effort, etc

a decision/choice/effort, etc that you make intentionally:

Did you make a conscious decision to lose weight?
→ Opposite subconscious adjective

awake and able to think and notice things:

He's still conscious but he's very badly injured.
→ Opposite unconscious adjective
consciously adverb

More and more people are consciously trying to improve their health.
→ See also self-conscious

(Definition of “conscious adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)