Abbreviation of suite.
"The postal address listed on the package included the abbreviation STE 402 instead of Suite 402."
Abbreviation of suite. (STE is preferred by the United States Postal Service; compare Ste. and ste.)
"They decided to take a short ste through the park before dinner."
Abbreviation of Standard English.
"The teacher marked the student's essay as 'ste' because it followed all the rules of Standard English."