Stay in Lincoln - I would (5)
I believe the answer is:
abide
'stay' is the definition.
(synonyms)
'in lincoln i would' is the wordplay.
'in' means one lot of letters goes inside another.
'lincoln' becomes 'abe' (Abraham Lincoln).
'i would' becomes 'I'd'.
'abe' enclosing 'id' is 'ABIDE'.
(Other definitions for abide that I've seen before include "Endure, tolerate" , "Remain - tolerate" , "Last" , "Endure; dwell" , "Live, dwell (archaic)" .)