happen

Từ điển American Heritage Dictionary 4th

hap·pen (hăpʹən)intr.v. hap·pened, hap·pen·ing, hap·pens
1.
a. To come to pass.
b. To come into being.
2. To take place or occur by chance.
3. To come upon something by chance.
4. To come or go casually; make an appearance. [Middle English happenen, from hap, chance. See hap.] 
Synonyms: happen, befall, betide, chance, occur
These verbs mean to come about: saw an awful thing happen; predicted that misery will befall humankind; woe that betides the poor soldier; former friends who chanced to meet again; described the accident exactly as it occurred.

• Từ đồng nghĩa / Synonyms:
  find, chance, bump, encounter, materialize, materialise, befall, bechance, hap, go on, pass off, occur, pass, fall out, come about, take place
• Từ trái nghĩa / Antonyms:
  dematerialize, dematerialise