intransitive verb. To make a choice or decision.

phrasal verb. To choose not to participate in something.

noun. In grammar, an abbreviation of optative.

To choose one of two alternatives; choose.

An abbreviation of optical;

of optician;

of optics.

verb. To choose; to select.

verb. select as an alternative over another

option  optional  

co-opt  opt in  opt out  

cop out  opt out  

adopt  chopped  co-opt  copped  cropped  

opted  opting  opts