to add; to add up; to increase; to gather (e.g. speed); to include; to count in
to be added to; to be appended; to join in (e.g. a group of friends); to participate; to increase (e.g. heat); to gain in (e.g. influence)
to add (one thing to another); to add (a few more words, an explanation, etc.)
to harm; to cause harm to
to perform some process; to apply some treatment; to revise; to correct
to add (e.g. a postscript)
to take into consideration; to use one's discretion
to add to one's circle of friends (or colleagues, etc.); to take in; to accept
to improve upon; to make improvements to; to refine
to apply pressure to; to press
moreover; besides; in addition; on top of; to make matters worse
additionally; in addition; moreover; at the same time
additionally; in addition
to take part in a conference
to take the law into one's own hands
to add a new page (e.g. to the annals of history)
there must be a clear distinction between the upper and lower classes; (lit.) even new shoes must not be worn on the head