κοινωνεῖν
From LSJ
κόραξ δ' ἐπαίνῳ καρδίην ἐχαυνώθη → the flattered crow was filled with pride, the flattered crow became elate in heart
Greek > English (Woodhouse Verbs Reversed)
(see also κοινωνέω): associate with, be concerned in, communicate with, correspond with, have a share in, have dealings with, have intercourse with, have relations with, identify oneself with, join in, share in, take a share in, take part in