La Suma Sacerdotisa. The High Priestess.

According to A. E. Waite's 1910 book Pictorial Key to the Tarot, The High Priestess card is associated with:

Secrets, mystery, the future as yet unrevealed; the woman who interests the Querent, if male; the Querent herself, if female; silence, tenacity; mystery, wisdom, science.

Reversed: Passion, moral or physical ardor, conceit, surface knowledge.