counsel

nouns

a lawyer who pleads cases in court
advocate, counsel, counsellor, counselor, counselor-at-law, pleader
something that provides direction or advice as to a decision or course of action
counsel, counseling, counselling, direction, guidance

verbs

give advice to
"The teacher counsels troubled students"; "The lawyer counselled me when I was accused of tax fraud"
advise, counsel, rede
is derived from
counselor
is derived from
counsellor
is derived from
counselling
is derived from
counseling