Antonyms:
* Detach: To separate or remove something from something else.
* Disregard: To pay no attention to something.
* Ignore: To refuse to pay attention to something.
* Violate: To break a rule or agreement.
* Depart: To leave a place or situation.
Synonyms:
* Stick: To attach to something.
* Cling: To hold on tightly.
* Comply: To obey a rule or order.
* Follow: To act according to a rule or instruction.
* Conform: To be in agreement with something.
* Abide by: To obey a rule or agreement.
The best synonym or antonym to use will depend on the specific context of your sentence.