1. to collect your thoughts, get yourself together, take a moment
gather yourself before you go into the room
To 'gather your thoughts' means to take time to think or consider something before making a decision. You might also hear people say 'collect your thoughts'. To 'gather yourself' means to take time to calm down or to prepare mentally for something challenging. You are likely to hear these expressions used before a presentation, an exam or before facing a high-pressure situation. 'Gathering yourself' all about calming yourself down and preparing yourself for something stressful. You can use it in social or professional situations. Similar expressions are 'pull yourself together', or 'get a grip'.