Collocations for logical - adj.

appear, be, seem, sound
It all sounds quite logical.

extremely, fairly, very, etc.
eminently, highly
absolutely, completely, entirely, perfectly
His arguments seemed perfectly logical.

purely
The issue here is purely logical: it has nothing to do with ethics.

hardly

Logical is used with these nouns:
answer, argument, choice, coherence, conclusion, consequence, consistency, continuation, contradiction, culmination, deduction, development, distinction, explanation, extension, extreme, fashion, inconsistency, inference, leap, manner, mind, move, necessity, order, outcome, progression, reason, reasoning, response, result, rigour, sense, sequence, starting point, step, structure, successor, suspect, thing, thinker, thinking, thought