cannon, artillery

compliment, congratulate, give a pat on the back to / speak well of, speak highly of, recommend / acclaim, extol, applaud [figuratively], sing the praises of [figuratively] / honor, exalt, glorify

call on someone; visit

the field, profession, and study of law. The rule of law / a statute / an act of a legislature

square metre

trigonometry

needlework; sewing

classification method, classification system

direction / area, district / field of study, line of work

(mathematics) associative law