HackerVoca

: call, bid, convene / / verb [intransitive, transitive] formal
if a group of people convene, or someone convenes them, they come together, especially for a formal meeting: The President's foreign policy advisers convened for an emergency session. | Shouldn't we convene a meeting about this?
, convoke / / verb [transitive] formal
to tell people that they must come together for a formal meeting

superficial : shallow1 / / adjective

1 something that is shallow has only a short distance from the bottom to the surface: a shallow river | the shallow end of the swimming pool | a shallow grave

2 not interested in or showing any understanding of important or serious matters: a shallow argument | If he's only interested in your looks, that just shows how shallow he is.

3 shallow breathing breathing that only takes in small amounts of air

shallowly adverb
shallowness noun [uncountable] , external, outward