verb
1.
to claim or take over in a high-handed manner
arrogated to himself the right to make all decisions
Synonyms: accroach, appropriate, assume, commandeer, preempt, usurp; compare appropriate 1
Related Word: annex, preempt, preoccupy, sequester; grab, seize, take, take over
Idioms: help oneself to, make free with, take into one's own hands
Contrasted words: cede, relinquish, resign, surrender, yield
Antonyms: renounce
2.
Synonyms: appropriate 1, accroach, annex, commandeer, confiscate, expropriate, preempt, seize, sequester, take