こ

と

noun

1. thing, matter.
2. incident, occurrence, event, something serious, trouble, crisis.
3. circumstances, situation, state of affairs.
4. work, business, affair.
5. after an inflectable word, creates a noun phrase indicating something the speaker does not feel close to.

noun used as a suffix

1. nominalizing suffix.
2. pretending to ..., playing make-believe ....

noun

1. alias, also known as, otherwise known as, or. As AことB (A = alias, B = real name).
2. necessity, need. As 〜ことはない.
3. you should ..., I advise that you ..., it's important to .... As 〜ことだ.