ξυγχωρεῖν
From LSJ
φιλεῖ δέ τοι, δαιμόνιε, τῷ κάμνοντι συσπεύδειν θεός → you know, my good fellow, when a man strives hard, a god tends to lend him aid
Lexicon Thucydideum
concedere, to concede, grant, 1.140.5, 3.75.3, 5.41.2, 5.89.1, 8.45.3, 8.56.4,
assentiri, to assent, agree to, 7.72.4, 8.9.2,
convenire, pacisci, to come together, make terms, 2.59.2, 2.66.2. 3.27.3, 3.52.2, 3.75.1, 3.96.2. 4.21.3, 4.22.3. 4.64.1. 4.64.3, 4.118.11. 5.40.3, 5.41.3, 5.116.3, 8.70.2, 8.93.3,
PASS. convenire, to come together, agree, 5.17.2.