congratulator

enUK

con·grat·u·late

C0568700 (kən-grăch′ə-lāt′, -grăj′-, kəng-)tr.v. con·grat·u·lat·ed, con·grat·u·lat·ing, con·grat·u·lates To express one's joy or good wishes to (someone) regarding that person's achievement or good fortune: congratulated her on her promotion.
[Latin congrātulārī, congrātulāt- : com-, com- + grātulārī, to rejoice (from grātus, pleasing; see gwerə- in Indo-European roots).]
con·grat′u·la′tor n.con·grat′u·la·to′ry (-lə-tôr′ē) adj.
Translations
Gratulant