Synonyms of consultant
adviserAn adviser is an expert whose job is to give advice to another person or to a group of people.
• a careers adviser
authoritySomeone who is an authority on a particular subject knows a lot about it.
• He's an authority on Russian affairs.
expertspecialistprofessionalmasterace (informal)scholargurubuff (informal)wizardwhizz (informal)virtuosoconnoisseurboffin (British, informal)arbiterhotshot (informal)fundi (South Africa)
specialistA specialist is a person who has a particular skill or knows a lot about a particular subject.
• a specialist in diseases of the nervous system
Thesaurus for consultant from the Collins English Thesaurus