Definition of finesses:
(n) :
(uncountable) Skill in the handling or manipulation of a situation.
(n) :
(uncountable) The property of having elegance, grace, refinement, or skill.
(n) :
(countable) An adroit manoeuvre.
(v) :
(transitive, chiefly Canada, US, politics) To evade (a problem, situation, etc.) by using some clever argument or stratagem.
(v) :
(ambitransitive) To handle or manage carefully or skilfully; to manipulate in a crafty way.
(v) :
(transitive, slang) To obtain something from someone through trickery or manipulation.