When you say "Great job, good for you!" to someone who is graduating, this is an example of a situation where you congratulate the graduate.
transitive verb-·lat·ed, -·lat·ing
- to express to (a person) one's pleasure at good fortune or success; felicitate: congratulate the winner
- Obs. to rejoice at; celebrate
- Obs. to greet; hail
Origin of congratulatefrom Classical Latin congratulatus, past participle of congratulari from com,- together + gratulari, to wish joy from gratus, agreeable: see grace
transitive verbcon·grat·u·lat·ed, con·grat·u·lat·ing, con·grat·u·lates
Origin of congratulateLatin congrātulārī congrātulāt- com- com- grātulārī to rejoice ( from grātus pleasing ; see gwerə-2 in Indo-European roots.)
(third-person singular simple present congratulates, present participle congratulating, simple past and past participle congratulated)
From Latin congratulor, from gratus (“blessing”).