mutual understanding

mutual, reciprocal, between each other

bilateral, mutual, two-sided, reciprocal

unity, alliance, agreement, understanding, consent; coincidence

encirlclement, envelopment, the action of surrounding; seige; enclosed place; fence, enclosure; understanding, comprehension

comprehension, understanding, perception

penetrating, shrewd, understanding something to a fine degree

endurance, tolerance; understanding, idea, concept