facing; opposite; across the street; other side

to face

dealing with (people, customers, complaints, etc.); receiving (callers, visitors, etc.); attending to; handling; serving

curing illness

one-to-one; one-on-one

makeshift solution

reverse; opposite; inverse; contrary

target; object (of worship, study, etc.); subject (of taxation, etc.)

measure; step; countermeasure; counterplan; countermove; strategy; preparation (e.g. for a test)

correspondence (to); equivalence

confrontation; opposition; antagonism

dialogue; conversation; talk; discussion; communication