Je was op zoek naar: mutually (Engels - Latijn)

mutually agreed
opera nostrae

interchanged, mutually, reciprocal / reciprocity
mutuus

one after the other, by turns, mutually, each other
invicem

abinvicem mutually; (usually as two words); from one another;
abinvicem

adinvicem in turn, by turns, on after the other, alternately; mutually, reciprocally;
adinvicem

conspondeo, conspondere, conspondi, consponsus exchange pledges; engage/promise mutually (l+s);
conspondeo

inter between, among; during; [inter se => to each other, mutually];
inter

consponsus, consponsa, consponsum bound by mutual pledges; conspondeo, conspondere, conspondi, consponsus exchange pledges; engage/promise mutually (l+s);
consponsus