- Admit - Appear in the middle of open terrain - Bid to make one you couldn't refuse? - Come in - Come into - Come on stage to become a contestant - Come onto stage
- enter by stealth - Enter unnoticed - Surreptitiously gain access - To enter by penetrating the pores or interstices of
a substance; to filter into or through something. - To penetrate gradually; -- sometimes used
reflexively.