Determine the word class of the word "Infiltrate".
The word "Infiltrate" is a verb. It refers to the action of entering or gaining access to an organization or place surreptitiously, especially in order to acquire secret information or cause damage.
Complete the following task based on the instruction and optional input provided.### Instruction:
Determine the word class of the word "Infiltrate".

### Output:
The word "Infiltrate" is a verb. It refers to the action of entering or gaining access to an organization or place surreptitiously, especially in order to acquire secret information or cause damage.