observe
ob-serve
verb
To obey or comply with a rule, law, custom, or religious practice.
"All citizens must observe the law."
verb
To watch or monitor something carefully, often for study or understanding.
"Scientists observe planetary movements through telescopes."
Thesaurus
Synonyms: keep, maintain, note, remark, mention, follow, keep an eye on, watch over, watch, detect, find, discover
Antonyms: breach, break, disrespect, go against, infract, offend, transgress, violate