argue

identify

point out

suggest

claim

maintain

mention

list

conclude

to say that something is true or correct while firm evidence for this may be lacking

to write and say something in a formal or certain way

to give information about something; to present or indicate information. 

to hold certain views or opinions strongly even if other people disagree

to discover or notice the existence of something

to say something is true or correct and give reasons for this

to offer a plausible explanation for something

to decide that something is true using the facts you have as a basis

to refer briefly to something or somebody, in spoken or written text

to draw someone's attention to a fact or mistake

ibid.

viz.

N.B.

passim

e.g.

cf.

sic

i.e.

op. cit.

loc. cit.

et al.