παρακολουθέω

to follow after, so to follow one as to be always at his side, to follow close, accompany, metaph., to be always present, to attend one wherever he goes, to follow up a thing in mind so as to attain to the knowledge of it, to understand, (cf our follow a matter up, trace its course), to examine thoroughly, investigate, to follow faithfully i.e a standard or rule, to conform one's self to