General Antonyms:
* Ignore: To disregard or pay no attention to.
* Disregard: To pay no attention to, to ignore.
* Neglect: To fail to care for or attend to.
* Overlook: To fail to notice.
* Disregard: To pay no attention to.
* Dismiss: To reject or refuse to consider.
Antonyms Specific to Seeking Advice:
* Dictate: To give orders or instructions without considering others' opinions.
* Decide alone: To make a decision without seeking advice.
* Go it alone: To proceed independently, without seeking help or advice.
Antonyms Specific to Professional Consultation:
* Self-treat: To treat oneself for an illness without professional help.
* DIY: To do something yourself, without professional help.
The best antonym for "consult" depends on the specific situation and the intended meaning.