To form an opinion or make a judgment about something without sufficient evidence.

To suppose or conclude something; to estimate.

कल्पना करना

English Usage: She guessed correctly on the first try.

Hindi Usage: उसने पहली बार में सही अनुमान लगाया।

An estimate or conjecture about something.

अनुमान

English Usage: My guess is that it will rain tomorrow.

Hindi Usage: मेरा अनुमान है कि कल बारिश होगी।