expedition, voyage

to go on an expedition

scientific

to rest / to sleep / to be absent (from) / to suspend; to be dormant

participation, commitment

to participate, to join, to enter

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

unscientific