genuine
adj.
1. Actually possessing the alleged or apparent attribute or character: genuine leather.
2. Not spurious or counterfeit; authentic. See Synonyms at authentic.
3.
1. Honestly felt or experienced: genuine devotion.
2. Actual; real: a genuine dilemma.
4. Free from hypocrisy or dishonesty; sincere.
5. Being of pure or original stock: a genuine Hawaiian.


infiltrate
1.
1. To pass (troops, for example) surreptitiously into enemy-held territory.
2. To penetrate with hostile intent: infiltrate enemy lines; terrorists that had infiltrated the country.
2. To enter or take up positions in gradually or surreptitiously, as for purposes of espionage or takeover: infiltrated key government agencies with spies.
3. To cause (a liquid, for example) to permeate a substance by passing through its interstices or pores.
4. To permeate (a porous substance) with a liquid or gas.

v. intr.
To gain entrance gradually or surreptitiously.
n.
One that infiltrates, especially an abnormal substance that accumulates gradually in cells or body tissues.