from
The Collaborative International Dictionary of English v.0.48
Methinks \Me*thinks"\, v. impers. [imp. {Methought}.] [AS.
[thorn]yncan to seem, m[=e] [thorn]ynce[eth], m[=e]
[thorn][=u]hte, OE. me thinketh, me thoughte; akin to G.
d["u]nken to seem, denken to think, and E. think. See {Me},
and {Think}.]
It seems to me; I think. See {Me}. [R., except in poetry.]
[1913 Webster]
In all ages poets have been had in special reputation,
and, methinks, not without great cause. --Spenser.
[1913 Webster]