sachant

/sa.ʃɑ̃/savoir
1.
verbParticiple3rdPres

knowing

given that; considering that (used adverbially, e.g. 'sachant que...')

Sachant qu'il pleuvrait, j'ai pris un parapluie.

Knowing that it would rain, I took an umbrella.

2.
nounmasculineSing

expert; insider; knowledgeable person

Il parle comme un vrai sachant.

He speaks like a real expert.