Advertency is a word that refers to being aware or paying attention to something. There are a few synonyms that can be used in place of advertency such as attentiveness, vigilance, mindfulness, alertness, and consciousness. Attentiveness has a similar meaning to advertency as it refers to being focused on something. Vigilance is another synonym that can be used in place of advertency and refers to being watchful and alert. Mindfulness is similar to advertency in the sense that it involves being aware of something but it can also refer to a state of mindfulness in meditation. Alertness and consciousness are also similar to advertency and involve being aware and focused on something.