Synonyms for interchange

noun

1. The act of giving and receiving reciprocally

   barter, trade, reciprocation; see exchange 2.

2. Alternation

   variation, varying, altering, exchange, transposition, shift, change of places, alternating; see also exchange 1, 3.

3. A highway intersection

   cloverleaf, intersection, off-ramp; see crossing 1, junction 2, road 1.