conj

• (formal, literary) Because.
  "I had to stay with my wicked stepmother, for I had nowhere else to go."

prep

• (usually in the phrase 'for all') Despite, in spite of.
  "For all his expensive education, he didn't seem very bright."
• (in expressions such as 'for a start') Introducing the first item(s) in a potential sequence .
  "Go scuba diving? For one thing, I can't even swim."
• (with names, chiefly US) In honor of; after.
  "He is named for his grandfather."
• (UK) Due for or facing (a certain outcome or fate).
  "He totally screwed up that project. Now he's surely for the sack."

particle

• (nonstandard, in representations of dialectal speech, especially that of black speakers) To, the particle for marking the following verb as an infinitive.
  "“'Ugh—I'll not be able for get up. Send for M'sieu le Curé—I'll be goin' for die for sure.'"