| happen upon(verb, expression, phrasal verb, discover, find) |
| know(verb, get, notice, experience, feel) |
| light upon(verb, expression, phrasal verb, meet, discover) |
| run across(verb, expression, phrasal verb, meet, light) |
| run into(verb, expression, phrasal verb, meet, light) |
| stumble on |
| tangle(verb, oppose, challenge, face, confront) |
| tumble(verb, light, oppose, see, challenge) |
| undergo(verb, get, notice, experience, feel) |
| alight upon |
| beard(verb, meet, oppose, provoke, challenge) |
| brush against(verb, expression, phrasal verb, meet, light) |
| challenge(verb, meet, oppose, provoke, face) |
| chance(verb, meet, light, see, discover) |
| chance on(verb, expression, phrasal verb, meet, light) |
| clash(verb, light, oppose, see, challenge) |
| close with |
| collide(verb, light, oppose, see, challenge) |
| come among |
| come on |