1) Come about 2) Fall out 3) Follow unexpectedly 4) Go on 5) Happen 6) Occur 7) Pass 8) Pass off 9) Take place 10) To ensue 11) To supersede 1) Ensue 
• (v. i.) To come as something additional or extraneous; to occur with reference or relation to something else; to happen upon or after something else; to be added; to take place; to happen.
Su`per·vene' intransitive verb [ imperfect & past participle Supervened ; present participle & verbal noun Supervening .] [ Latin supervenire , superventum , to come over, to come upon; super over + venire t...
[v] - take place as an additional or unexpected development
supervene 1. To follow or come about unexpectedly, usually interrupting or changing what is going on. 2. To follow immediately after something. 3. From Latin supervenire, literally 'to come above'.
to take place or occur as something additional or extraneous (sometimes fol. by on or upon). · to ensue.