(philosophy) monism

(informal, with for) Someone particularly enthusiastic about an activity.

While one is doing that; while one is carrying out that action (referring to another action one could accomplish at the same time.)

lasting one day

Any event lasting one day. / (cricket, informal) A one-day match.

Present and involved in the life of a person.

With one strike (of a hand, tool, or weapon).

(slang, US, chiefly New England) To be in high spirits; to feel frisky.

(obsolete) altogether

(obsolete) It is just the same; it makes no difference.