Group 1 analyse, verb consider in detail and subject to an analysis in order to discover essential features or meaning break down into components or essential features make a mathematical, chemical, or grammatical analysis of

accumulate, verb
get or gather together
collect or gather
Journals are accumulating in my office

ambiguous, adj
open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead
having more than one possible meaning
ambiguous words
having no intrinsic or objective meaning; not organized in conventional patterns
an ambiguous situation with no frame of reference

append, verb
add to the very end
He appended a glossary to his novel where he used an invented language
fix to; attach
append a charm to the necklace
state or say further

appreciate, verb
recognize with gratitude; be grateful for
be fully aware of; realize fully
Do you appreciate the full meaning of this letter?
hold dear
gain in value
The yen appreciated again!
increase the value of
The Germans want to appreciate the Deutsche Mark