to exist or to occur

to exist or to occur (plural form)

होना

English Usage: They are playing outside.

Hindi Usage: वे बाहर खेल रहे हैं।

to assure that something will happen

to assure that something is possible

आश्वासन देना

English Usage: A good result can be guaranteed with hard work.

Hindi Usage: मेहनत के साथ एक अच्छा परिणाम आश्वासन दिया जा सकता है।