Historical clue formulations

• Understand, as coined in 1961's "Stranger in a Strange Land" — 2023-04-30
• Understand, informally — 2022-07-12
• Get — 2021-10-23
• Understand, informally — 2020-09-20
• Comprehend — 2019-11-08
• Understand intuitively — 2019-03-09
• Understand — 2018-05-20
• Understand — 2018-01-21
• Grasp, informally — 2017-12-17
• Understand — 2017-11-26
• Get — 2017-02-05
• Grasp intuitively — 2016-07-24
• Grasp, in slang — 2016-04-18
• Understand, slangily — 2015-03-10
• Understand, informally — 2014-01-14
• Get inside and out — 2013-08-24
• Totally get, in slang — 2013-04-03
• Understand, slangily — 2011-03-30
• Understand — 2003-09-05