Definition of "importantly"

These potentially ground-breaking discoveries need to be tempered by the knowledge that very high doses - the equivalent of 100-plus bottles of red wine daily - were given to mice. Importantly, after resveratrol is absorbed into the blood, it is broken down quickly and may have limited effect in humans.

2009 August 23, Michael Apstein, “Here's to good health - maybe”, in San Francisco Chronicle, page K1

Importantly, apprenticeships provide an alternate route into employment, giving people from all backgrounds the chance to build in-demand skills and a career for life.

2023 March 8, Neil Robertson, “Tackling the skills shortage”, in RAIL, number 978, page 33

Even sitting in a restaurant, the person on a cell phone seems importantly busy and on the move.

2001 January/February, Ian Frazier, “Dearly Disconnected.”, in Mother Jones, volume 25, number 1, page 60