1. quick to notice or perceive; alert.
2. looking at, watching, or regarding attentively; watchful.
3. careful in the observing of a law, custom, religious ritual, or the like. noun
4. an observer of law or rule.
5. (initial capital letter). Also, Observantine[ob-zur-vuh n-tin, -teen]/ɒbˈzɜr vən tɪn, -ˌtin/. a member of a Franciscan order that observes the strict rule of St. Francis.
"people can be observant of prestiges."
"people can be observant."
"jews can be observant."
"readers can be observant."
"eyes can be observant."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.