I think namaste is the most honorable greetings and thank God my son ( 2year old) knows it thought he says it पेस्तेते not नमस्ते । हिजो अस्तिसम्म त अस्ते भन्थो अहिले त पेस्तेते भन्ना थाल्यो । hope he will learn the real word soon.