To make someone acquainted with something

To become accustomed to something

किसी चीज़ के लिए अभ्यस्त हो जाना

English Usage: He familiarized himself with the local customs during his travels.

Hindi Usage: उसने अपनी यात्रा के दौरान स्थानीय रीति-रिवाजों से खुद को परिचित कराया।