briefly – /ˈbriːf.li/ – for a short time;
indeed – /ɪnˈdiːd/ really or certainly, often used to emphasize something;
rather – /ˈrɑː.ðər/ – quite; to a slight degree;
regardless – /rɪˈɡɑːdləs/ – despite something;
ex: She’ll make a decision regardless of what we think.
therefore /ˈðeəfɔːr/ for that reason;