General Meaning: "in," "into," "on," or "upon"
* enact: to make into law
* enclose: to surround or confine
* encounter: to meet unexpectedly
* endure: to last or continue
* engage: to become involved in
* enhance: to improve or increase
* enlighten: to inform or educate
* enlist: to join the army
* enquire: to ask for information
* ensure: to make certain
* enter: to go into
* enthral: to captivate or fascinate
* entitle: to give a right to
* entreat: to beg or plead
* entrust: to give someone a responsibility
* enumerate: to list or count
* envision: to imagine or see in the mind
* envy: to feel resentment towards someone
* erase: to rub out or remove
* erect: to build or construct
* escape: to get away from
* establish: to set up or create
* esteem: to respect or admire
* estrange: to alienate or separate
* entail: to involve or necessitate
* enthrall: to captivate or fascinate
* envision: to imagine or see in the mind
* envy: to feel resentment towards someone
Other Meanings
* enable: to make possible
* encourage: to give hope or support
* enrich: to make richer or more valuable
* endanger: to put at risk
* enforce: to make sure something happens
* engulf: to surround completely
* enrage: to make very angry
* ensnare: to trap or catch
* entail: to involve or necessitate
* enthral: to captivate or fascinate
* envision: to imagine or see in the mind
* envy: to feel resentment towards someone
This is just a small sample, there are many more words that start with "en-". You can use a dictionary or online resource to find more examples.