understanding

[1]	agreement , apprehension , discernment , contract , arrangement , savvy , bargain , covenant , concession , pact , compact , accord , treaty , concordat , entente , alliance , truce , armistice , reconciliation , settlement
[2]	discernment , agreement , sensitivity , sensitiveness , sympathy , empathy , perception , insight , good sense , intuition , enlightenment , percipience , sagacity , sageness , sapience , wisdom , (Colloq) savvy
[3]	understanding of , sympathy , comprehension or , awareness/grasp/control/idea/conception/knowledge/mastery (of) , acquaintance/familiarity/intimacy/dexterity/skilfulness/deftness/adroitness/adeptness (with) , competence/skill/expertness/know-how/proficiency/expertise (in) , (Colloq) (US) fix (on) , handle (on)
[4]	reading , reason , intellect , interpretation , opinion , judgement , estimation , notion , view , perception , apperception , apprehension
[5]	intellect , intelligence , mind , brain , brainpower , sense , reason , reasoning power , wisdom , (Colloq) brains