Definition of "simply"

Mrs. Thorold had told her sons that a young lady was visiting at the house, whose history she had given them in short hand, describing her as a dependent on the late Mrs. Willoughby, whom her son had very simply intended to marry at Alvestone […] .

1791, Charlotte Smith, Celestina, Broadview, published 2004, page 179

A “moving platform” scheme […] is more technologically ambitious than maglev trains even though it relies on conventional rails. […] This set-up solves several problems […]. Stopping high-speed trains wastes energy and time, so why not simply slow them down enough for a moving platform to pull alongside?

2013 June 1, “Ideas coming down the track”, in The Economist, volume 407, number 8838, page 13 (Technology Quarterly)

Rather than scanning a boarding pass or handing over a passport, you simply stare into a camera and you’re verified.

2019 May 21, Dylan Curran, “Facial recognition will soon be everywhere. Are we prepared?”, in The Guardian‎

What about the way you love me? / And the way you squeeze me? / Simply beautiful

1972, Al Green (lyrics and music), “Simply Beautiful”