This is the 3223rd most frequent Turkish word.
gelecektir
"Will come" (future tense).
Here, 'gelecektir' is part of a conditional sentence, demonstrating that the future action depends on a specified condition.
Eğer hava güzel olursa, dışarı çıkıp koşuya gidecektir.
If the weather is nice, she will go out for a run.
In this context, 'gelecektir' represents a promised or anticipated consequence of an event happening in the future.
Hedefine ulaştığında mutluluk hissedecektir.
When he reaches his goal, he will feel happiness.
In this sentence, 'gelecektir' is used to express a definite future action, indicating that the subject will be present at a specific time and place.