set out on (an enterprise or subject of study) | march aggressively into another's territory by military force for the purposes of conquest and occupation |
make a record of; set down in permanent form | penetrate or assault, in a harmful or injurious way |
become a participant; be involved in | to intrude upon, infringe, encroach on, violate |
put or introduce into something | occupy in large numbers or live on a host |
come on stage | |
to come or go into | |
take on duties or office | |
register formally as a participant or member | |
be or play a part of or in | |