witness
verb (used with object)
to see, hear, or know by personal presence and perception.
will have witnessed
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future perfectof witness.future perfect
Used to describe an action that will be fully completed or achieved by a specific point in the future.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Dr Mousely said this "aligns with a plateau of intelligence and personality" that many of us will have witnessed or experienced.
From BBC ● Nov. 25, 2025
If Ruben Amorim spent his Sunday in Lisbon tuning into events at Old Trafford, he will have witnessed a graphic illustration of the task awaiting him when he finally arrives as Manchester United manager.
From BBC ● Nov. 3, 2024
Any visitor to New York over the past few years will have witnessed this curious new breed of pencil-thin tower.
From The Guardian ● Feb. 5, 2019
They played 51 times in all competitions and anyone who saw all those games will have witnessed 215 goals at 4.2 goals a game, and seen their team finish second in the league.
From The Guardian ● Jan. 18, 2013
Those who have visited the slate quarries of Cumberland and North Wales will have witnessed the phenomena to which I refer.
From The Glaciers of the Alps Being a narrative of excursions and ascents, etc. by John Tyndall
