check up on

Synonyms:

check, check into, check out, check over, go over, look into, suss out

check, check off, mark, mark off, tick, tick off

put a check mark on or near or next to

Types:

show 4 types...

hide 4 types...

follow, keep an eye on, observe, watch, watch over

follow with the eyes or the mind

keep tabs on

keep a record on or watch attentively

guard

to keep watch over

invigilate, proctor

watch over (students taking an exam, to prevent cheating)

Type of:

analyse, analyze, canvas, canvass, examine, study

consider in detail and subject to an analysis in order to discover essential features or meaning