consult

Concise Oxford English Dictionary © 2008 Oxford University Press:
consult/kənˈsʌlt/

▶verb seek information or advice from (someone, especially an expert or professional).

■ seek permission or approval from.

■ (as adj. consulting) engaged in the business of giving advice to others in the same field: a consulting engineer.

– derivatives
consultative adjective,
consultee noun.

– origin C16 (earlier (ME) as consultation): from Fr. consulter, from L. consultare, frequentative of consulere ‘take counsel’.