elaborate / extend *one's ingenuity in

hit upon / think of

hit on / think of

arrive at a shore <sea,lake> / arrive at a riverbank <river>

fix *one's eyes upon / have an eye on / notice / directing attention to / direct attention to *something / eye *something / take notice of / pay attention to / perceive

arrival (of correspondence) / (correspondence) arrive

arrive at an encampment / arrive at [a temporary military post]

alight on the water

be attached to / be stuck on

insert