This is the 723rd most frequent Marathi word.
सय
Harmony or accord.
Here, 'सय' is used in the context of organization or coordination for a task.
आपल्या प्रवासासाठी सय तयार ठेवा.
Prepare coordination for your journey.
'सय' indicates harmony or amicable cooperation in this context.
मैत्रीच्या सय ठेवून आपण एकत्र काम करू.
Keeping the harmony of friendship, we shall work together.
In this sentence, 'सय' is referring to systematic arrangement or management.