This is the 788th most frequent French word.
reconnaissance
Recognition; gratitude; acknowledgment.
In this sentence, "reconnaissance" is used to mean gratitude or appreciation.
Elle a exprimé sa reconnaissance envers ses mentors.
She expressed her gratitude towards her mentors.
Here, "reconnaissance" refers to recognition or identification of features, such as in technology or security.
La reconnaissance faciale est utilisée pour identifier les individus.
Facial recognition is used to identify individuals.
In this context, "reconnaissance" refers to a preliminary survey or exploration, often in a military sense.