consult

v. advise; ask advice; talk with; consider

A consultant (from the Latin consultare means "to discuss" from which we also derive words such as consul and counsel) is a professional who provides advice in a particular area of expertise such as accountancy, the environment, technology, law, human resources, marketing, medicine, finance, public affairs, communication, engineering, graphic design, or waste management.
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Consult /con·sult/ 1. to confer with another physician about a case. 2. consultation. consult to give or seek advice. [more]Consult - Community and Resources

Verb
1. get or ask advice from; "Consult your local broker"; "They had to consult before arriving at a decision"
(synonym) confer with
(hypernym) ask, inquire, enquire
(derivation) consultation
2. seek information from; "You should consult the dictionary"; "refer to your notes"
(synonym) refer, look up
(hypernym) research
(derivation) consultation
3. when planning or deciding something
(hypernym) consider, count, weigh
(derivation) consultation
4. have a conference in order to talk something over; "We conferred about a plan of action"
(synonym) confer, confabulate, confab
(hypernym) hash out, discuss, talk over
(hyponym) collogue
(derivation) consultation
5. advise professionally; "The professor consults for industry"
(hypernym) advise, counsel
(derivation) consultation

n. consultation, counseling, advising; conferring