To deceive or trick someone into believing something that is not true

To fool around or act playfully

खेलने-खिलवाड़ करना

English Usage: We were just fooling around at the park.

Hindi Usage: हम बस पार्क में खेलने-खिलवाड़ कर रहे थे।

To make a fool of someone

झूठा करना

English Usage: He fooled her into thinking he was a millionaire.

Hindi Usage: उसने उसे यह सोचकर झूठा किया कि वह करोड़पति था।